21359952

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:281

約数の個数: 120

約数和(自身を含む): 64931360

約数和(自身を除く): 43571408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 37, 38, 48, 57, 72, 74, 76, 111, 114, 144, 148, 152, 171, 211, 222, 228, 296, 304, 333, 342, 422, 444, 456, 592, 633, 666, 684, 703, 844, 888, 912, 1266, 1332, 1368, 1406, 1688, 1776, 1899, 2109, 2532, 2664, 2736, 2812, 3376, 3798, 4009, 4218, 5064, 5328, 5624, 6327, 7596, 7807, 8018, 8436, 10128, 11248, 12027, 12654, 15192, 15614, 16036, 16872, 23421, 24054, 25308, 30384, 31228, 32072, 33744, 36081, 46842, 48108, 50616, 62456, 64144, 70263, 72162, 93684, 96216, 101232, 124912, 140526, 144324, 148333, 187368, 192432, 281052, 288648, 296666, 374736, 444999, 562104, 577296, 593332, 889998, 1124208, 1186664, 1334997, 1779996, 2373328, 2669994, 3559992, 5339988, 7119984, 10679976, 21359952]

約数ペア:

[(1, 21359952), (2, 10679976), (3, 7119984), (4, 5339988), (6, 3559992), (8, 2669994), (9, 2373328), (12, 1779996), (16, 1334997), (18, 1186664), (19, 1124208), (24, 889998), (36, 593332), (37, 577296), (38, 562104), (48, 444999), (57, 374736), (72, 296666), (74, 288648), (76, 281052), (111, 192432), (114, 187368), (144, 148333), (148, 144324), (152, 140526), (171, 124912), (211, 101232), (222, 96216), (228, 93684), (296, 72162), (304, 70263), (333, 64144), (342, 62456), (422, 50616), (444, 48108), (456, 46842), (592, 36081), (633, 33744), (666, 32072), (684, 31228), (703, 30384), (844, 25308), (888, 24054), (912, 23421), (1266, 16872), (1332, 16036), (1368, 15614), (1406, 15192), (1688, 12654), (1776, 12027), (1899, 11248), (2109, 10128), (2532, 8436), (2664, 8018), (2736, 7807), (2812, 7596), (3376, 6327), (3798, 5624), (4009, 5328), (4218, 5064)]