21510216

素因数分解:

$2^3\times 3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:113

約数の個数: 192

約数和(自身を含む): 74256000

約数和(自身を除く): 52745784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 49, 52, 56, 63, 67, 72, 78, 84, 91, 98, 104, 117, 126, 134, 147, 156, 168, 182, 196, 201, 234, 252, 268, 273, 294, 312, 343, 364, 392, 402, 441, 468, 469, 504, 536, 546, 588, 603, 637, 686, 728, 804, 819, 871, 882, 936, 938, 1029, 1092, 1176, 1206, 1274, 1372, 1407, 1608, 1638, 1742, 1764, 1876, 1911, 2058, 2184, 2412, 2548, 2613, 2744, 2814, 3087, 3276, 3283, 3484, 3528, 3752, 3822, 4116, 4221, 4459, 4824, 5096, 5226, 5628, 5733, 6097, 6174, 6552, 6566, 6968, 7644, 7839, 8232, 8442, 8918, 9849, 10452, 11256, 11466, 12194, 12348, 13132, 13377, 15288, 15678, 16884, 17836, 18291, 19698, 20904, 22932, 22981, 24388, 24696, 26264, 26754, 29547, 31356, 33768, 35672, 36582, 39396, 40131, 42679, 45864, 45962, 48776, 53508, 54873, 59094, 62712, 68943, 73164, 78792, 80262, 85358, 91924, 107016, 109746, 118188, 128037, 137886, 146328, 160524, 170716, 183848, 206829, 219492, 236376, 256074, 275772, 298753, 321048, 341432, 384111, 413658, 438984, 512148, 551544, 597506, 768222, 827316, 896259, 1024296, 1195012, 1536444, 1654632, 1792518, 2390024, 2688777, 3072888, 3585036, 5377554, 7170072, 10755108, 21510216]

約数ペア:

[(1, 21510216), (2, 10755108), (3, 7170072), (4, 5377554), (6, 3585036), (7, 3072888), (8, 2688777), (9, 2390024), (12, 1792518), (13, 1654632), (14, 1536444), (18, 1195012), (21, 1024296), (24, 896259), (26, 827316), (28, 768222), (36, 597506), (39, 551544), (42, 512148), (49, 438984), (52, 413658), (56, 384111), (63, 341432), (67, 321048), (72, 298753), (78, 275772), (84, 256074), (91, 236376), (98, 219492), (104, 206829), (117, 183848), (126, 170716), (134, 160524), (147, 146328), (156, 137886), (168, 128037), (182, 118188), (196, 109746), (201, 107016), (234, 91924), (252, 85358), (268, 80262), (273, 78792), (294, 73164), (312, 68943), (343, 62712), (364, 59094), (392, 54873), (402, 53508), (441, 48776), (468, 45962), (469, 45864), (504, 42679), (536, 40131), (546, 39396), (588, 36582), (603, 35672), (637, 33768), (686, 31356), (728, 29547), (804, 26754), (819, 26264), (871, 24696), (882, 24388), (936, 22981), (938, 22932), (1029, 20904), (1092, 19698), (1176, 18291), (1206, 17836), (1274, 16884), (1372, 15678), (1407, 15288), (1608, 13377), (1638, 13132), (1742, 12348), (1764, 12194), (1876, 11466), (1911, 11256), (2058, 10452), (2184, 9849), (2412, 8918), (2548, 8442), (2613, 8232), (2744, 7839), (2814, 7644), (3087, 6968), (3276, 6566), (3283, 6552), (3484, 6174), (3528, 6097), (3752, 5733), (3822, 5628), (4116, 5226), (4221, 5096), (4459, 4824)]