21000201264

素因数分解:

$2^4\times 3^4\times 7^2\times {\mathrm{347}}^1\times {\mathrm{953}}^1$

素因数の和:1334

約数の個数: 300

約数和(自身を含む): 70982213544

約数和(自身を除く): 49982012280

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 81, 84, 98, 108, 112, 126, 144, 147, 162, 168, 189, 196, 216, 252, 294, 324, 336, 347, 378, 392, 432, 441, 504, 567, 588, 648, 694, 756, 784, 882, 953, 1008, 1041, 1134, 1176, 1296, 1323, 1388, 1512, 1764, 1906, 2082, 2268, 2352, 2429, 2646, 2776, 2859, 3024, 3123, 3528, 3812, 3969, 4164, 4536, 4858, 5292, 5552, 5718, 6246, 6671, 7056, 7287, 7624, 7938, 8328, 8577, 9072, 9369, 9716, 10584, 11436, 12492, 13342, 14574, 15248, 15876, 16656, 17003, 17154, 18738, 19432, 20013, 21168, 21861, 22872, 24984, 25731, 26684, 28107, 29148, 31752, 34006, 34308, 37476, 38864, 40026, 43722, 45744, 46697, 49968, 51009, 51462, 53368, 56214, 58296, 60039, 63504, 65583, 68012, 68616, 74952, 77193, 80052, 87444, 93394, 102018, 102924, 106736, 112428, 116592, 120078, 131166, 136024, 137232, 140091, 149904, 153027, 154386, 160104, 174888, 180117, 186788, 196749, 204036, 205848, 224856, 240156, 262332, 272048, 280182, 306054, 308772, 320208, 330691, 349776, 360234, 373576, 393498, 408072, 411696, 420273, 449712, 459081, 480312, 524664, 540351, 560364, 612108, 617544, 661382, 720468, 747152, 786996, 816144, 840546, 918162, 960624, 992073, 1049328, 1080702, 1120728, 1224216, 1235088, 1260819, 1322764, 1377243, 1440936, 1573992, 1681092, 1836324, 1984146, 2161404, 2241456, 2314837, 2448432, 2521638, 2645528, 2754486, 2881872, 2976219, 3147984, 3362184, 3672648, 3782457, 3968292, 4322808, 4629674, 5043276, 5291056, 5508972, 5952438, 6724368, 6944511, 7345296, 7564914, 7936584, 8645616, 8928657, 9259348, 10086552, 11017944, 11904876, 13889022, 15129828, 15873168, 16203859, 17857314, 18518696, 20173104, 20833533, 22035888, 23809752, 26785971, 27778044, 30259656, 32407718, 35714628, 37037392, 41667066, 47619504, 48611577, 53571942, 55556088, 60519312, 62500599, 64815436, 71429256, 83334132, 97223154, 107143884, 111112176, 125001198, 129630872, 142858512, 145834731, 166668264, 187501797, 194446308, 214287768, 250002396, 259261744, 291669462, 333336528, 375003594, 388892616, 428575536, 437504193, 500004792, 583338924, 750007188, 777785232, 875008386, 1000009584, 1166677848, 1312512579, 1500014376, 1750016772, 2333355696, 2625025158, 3000028752, 3500033544, 5250050316, 7000067088, 10500100632, 21000201264]

約数ペア:

[(1, 21000201264), (2, 10500100632), (3, 7000067088), (4, 5250050316), (6, 3500033544), (7, 3000028752), (8, 2625025158), (9, 2333355696), (12, 1750016772), (14, 1500014376), (16, 1312512579), (18, 1166677848), (21, 1000009584), (24, 875008386), (27, 777785232), (28, 750007188), (36, 583338924), (42, 500004792), (48, 437504193), (49, 428575536), (54, 388892616), (56, 375003594), (63, 333336528), (72, 291669462), (81, 259261744), (84, 250002396), (98, 214287768), (108, 194446308), (112, 187501797), (126, 166668264), (144, 145834731), (147, 142858512), (162, 129630872), (168, 125001198), (189, 111112176), (196, 107143884), (216, 97223154), (252, 83334132), (294, 71429256), (324, 64815436), (336, 62500599), (347, 60519312), (378, 55556088), (392, 53571942), (432, 48611577), (441, 47619504), (504, 41667066), (567, 37037392), (588, 35714628), (648, 32407718), (694, 30259656), (756, 27778044), (784, 26785971), (882, 23809752), (953, 22035888), (1008, 20833533), (1041, 20173104), (1134, 18518696), (1176, 17857314), (1296, 16203859), (1323, 15873168), (1388, 15129828), (1512, 13889022), (1764, 11904876), (1906, 11017944), (2082, 10086552), (2268, 9259348), (2352, 8928657), (2429, 8645616), (2646, 7936584), (2776, 7564914), (2859, 7345296), (3024, 6944511), (3123, 6724368), (3528, 5952438), (3812, 5508972), (3969, 5291056), (4164, 5043276), (4536, 4629674), (4858, 4322808), (5292, 3968292), (5552, 3782457), (5718, 3672648), (6246, 3362184), (6671, 3147984), (7056, 2976219), (7287, 2881872), (7624, 2754486), (7938, 2645528), (8328, 2521638), (8577, 2448432), (9072, 2314837), (9369, 2241456), (9716, 2161404), (10584, 1984146), (11436, 1836324), (12492, 1681092), (13342, 1573992), (14574, 1440936), (15248, 1377243), (15876, 1322764), (16656, 1260819), (17003, 1235088), (17154, 1224216), (18738, 1120728), (19432, 1080702), (20013, 1049328), (21168, 992073), (21861, 960624), (22872, 918162), (24984, 840546), (25731, 816144), (26684, 786996), (28107, 747152), (29148, 720468), (31752, 661382), (34006, 617544), (34308, 612108), (37476, 560364), (38864, 540351), (40026, 524664), (43722, 480312), (45744, 459081), (46697, 449712), (49968, 420273), (51009, 411696), (51462, 408072), (53368, 393498), (56214, 373576), (58296, 360234), (60039, 349776), (63504, 330691), (65583, 320208), (68012, 308772), (68616, 306054), (74952, 280182), (77193, 272048), (80052, 262332), (87444, 240156), (93394, 224856), (102018, 205848), (102924, 204036), (106736, 196749), (112428, 186788), (116592, 180117), (120078, 174888), (131166, 160104), (136024, 154386), (137232, 153027), (140091, 149904)]