21394126

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 37044000

約数和(自身を除く): 15649874

約数列:

[1, 2, 13, 17, 26, 34, 97, 194, 221, 442, 499, 998, 1261, 1649, 2522, 3298, 6487, 8483, 12974, 16966, 21437, 42874, 48403, 96806, 110279, 220558, 629239, 822851, 1258478, 1645702, 10697063, 21394126]

約数ペア:

[(1, 21394126), (2, 10697063), (13, 1645702), (17, 1258478), (26, 822851), (34, 629239), (97, 220558), (194, 110279), (221, 96806), (442, 48403), (499, 42874), (998, 21437), (1261, 16966), (1649, 12974), (2522, 8483), (3298, 6487)]