21514248

素因数分解:

$2^3\times 3^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 224

約数和(自身を含む): 75548160

約数和(自身を除く): 54033912

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 27, 28, 31, 34, 36, 42, 51, 54, 56, 62, 63, 68, 72, 81, 84, 93, 102, 108, 119, 124, 126, 136, 153, 162, 168, 186, 189, 204, 216, 217, 238, 243, 248, 252, 279, 306, 324, 357, 372, 378, 408, 434, 459, 476, 486, 504, 527, 558, 567, 612, 648, 651, 714, 729, 744, 756, 837, 868, 918, 952, 972, 1054, 1071, 1116, 1134, 1224, 1302, 1377, 1428, 1458, 1512, 1581, 1674, 1701, 1736, 1836, 1944, 1953, 2108, 2142, 2232, 2268, 2511, 2604, 2754, 2856, 2916, 3162, 3213, 3348, 3402, 3672, 3689, 3906, 4131, 4216, 4284, 4536, 4743, 5022, 5103, 5208, 5508, 5832, 5859, 6324, 6426, 6696, 6804, 7378, 7533, 7812, 8262, 8568, 9486, 9639, 10044, 10206, 11016, 11067, 11718, 12393, 12648, 12852, 13608, 14229, 14756, 15066, 15624, 16524, 17577, 18972, 19278, 20088, 20412, 22134, 22599, 23436, 24786, 25704, 28458, 28917, 29512, 30132, 33048, 33201, 35154, 37944, 38556, 40824, 42687, 44268, 45198, 46872, 49572, 52731, 56916, 57834, 60264, 66402, 70308, 77112, 85374, 86751, 88536, 90396, 99144, 99603, 105462, 113832, 115668, 128061, 132804, 140616, 158193, 170748, 173502, 180792, 199206, 210924, 231336, 256122, 265608, 298809, 316386, 341496, 347004, 384183, 398412, 421848, 512244, 597618, 632772, 694008, 768366, 796824, 896427, 1024488, 1195236, 1265544, 1536732, 1792854, 2390472, 2689281, 3073464, 3585708, 5378562, 7171416, 10757124, 21514248]

約数ペア:

[(1, 21514248), (2, 10757124), (3, 7171416), (4, 5378562), (6, 3585708), (7, 3073464), (8, 2689281), (9, 2390472), (12, 1792854), (14, 1536732), (17, 1265544), (18, 1195236), (21, 1024488), (24, 896427), (27, 796824), (28, 768366), (31, 694008), (34, 632772), (36, 597618), (42, 512244), (51, 421848), (54, 398412), (56, 384183), (62, 347004), (63, 341496), (68, 316386), (72, 298809), (81, 265608), (84, 256122), (93, 231336), (102, 210924), (108, 199206), (119, 180792), (124, 173502), (126, 170748), (136, 158193), (153, 140616), (162, 132804), (168, 128061), (186, 115668), (189, 113832), (204, 105462), (216, 99603), (217, 99144), (238, 90396), (243, 88536), (248, 86751), (252, 85374), (279, 77112), (306, 70308), (324, 66402), (357, 60264), (372, 57834), (378, 56916), (408, 52731), (434, 49572), (459, 46872), (476, 45198), (486, 44268), (504, 42687), (527, 40824), (558, 38556), (567, 37944), (612, 35154), (648, 33201), (651, 33048), (714, 30132), (729, 29512), (744, 28917), (756, 28458), (837, 25704), (868, 24786), (918, 23436), (952, 22599), (972, 22134), (1054, 20412), (1071, 20088), (1116, 19278), (1134, 18972), (1224, 17577), (1302, 16524), (1377, 15624), (1428, 15066), (1458, 14756), (1512, 14229), (1581, 13608), (1674, 12852), (1701, 12648), (1736, 12393), (1836, 11718), (1944, 11067), (1953, 11016), (2108, 10206), (2142, 10044), (2232, 9639), (2268, 9486), (2511, 8568), (2604, 8262), (2754, 7812), (2856, 7533), (2916, 7378), (3162, 6804), (3213, 6696), (3348, 6426), (3402, 6324), (3672, 5859), (3689, 5832), (3906, 5508), (4131, 5208), (4216, 5103), (4284, 5022), (4536, 4743)]