21079044

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{359}}^1$

素因数の和:609

約数の個数: 72

約数和(自身を含む): 61326720

約数和(自身を除く): 40247676

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 233, 252, 359, 466, 699, 718, 932, 1077, 1398, 1436, 1631, 2097, 2154, 2513, 2796, 3231, 3262, 4194, 4308, 4893, 5026, 6462, 6524, 7539, 8388, 9786, 10052, 12924, 14679, 15078, 19572, 22617, 29358, 30156, 45234, 58716, 83647, 90468, 167294, 250941, 334588, 501882, 585529, 752823, 1003764, 1171058, 1505646, 1756587, 2342116, 3011292, 3513174, 5269761, 7026348, 10539522, 21079044]

約数ペア:

[(1, 21079044), (2, 10539522), (3, 7026348), (4, 5269761), (6, 3513174), (7, 3011292), (9, 2342116), (12, 1756587), (14, 1505646), (18, 1171058), (21, 1003764), (28, 752823), (36, 585529), (42, 501882), (63, 334588), (84, 250941), (126, 167294), (233, 90468), (252, 83647), (359, 58716), (466, 45234), (699, 30156), (718, 29358), (932, 22617), (1077, 19572), (1398, 15078), (1436, 14679), (1631, 12924), (2097, 10052), (2154, 9786), (2513, 8388), (2796, 7539), (3231, 6524), (3262, 6462), (4194, 5026), (4308, 4893)]