21452424

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{857}}^1$

素因数の和:1022

約数の個数: 64

約数和(自身を含む): 61776000

約数和(自身を除く): 40323576

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 149, 168, 298, 447, 596, 857, 894, 1043, 1192, 1714, 1788, 2086, 2571, 3129, 3428, 3576, 4172, 5142, 5999, 6258, 6856, 8344, 10284, 11998, 12516, 17997, 20568, 23996, 25032, 35994, 47992, 71988, 127693, 143976, 255386, 383079, 510772, 766158, 893851, 1021544, 1532316, 1787702, 2681553, 3064632, 3575404, 5363106, 7150808, 10726212, 21452424]

約数ペア:

[(1, 21452424), (2, 10726212), (3, 7150808), (4, 5363106), (6, 3575404), (7, 3064632), (8, 2681553), (12, 1787702), (14, 1532316), (21, 1021544), (24, 893851), (28, 766158), (42, 510772), (56, 383079), (84, 255386), (149, 143976), (168, 127693), (298, 71988), (447, 47992), (596, 35994), (857, 25032), (894, 23996), (1043, 20568), (1192, 17997), (1714, 12516), (1788, 11998), (2086, 10284), (2571, 8344), (3129, 6856), (3428, 6258), (3576, 5999), (4172, 5142)]