21967970

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 40687920

約数和(自身を除く): 18719950

約数列:

[1, 2, 5, 10, 53, 106, 181, 229, 265, 362, 458, 530, 905, 1145, 1810, 2290, 9593, 12137, 19186, 24274, 41449, 47965, 60685, 82898, 95930, 121370, 207245, 414490, 2196797, 4393594, 10983985, 21967970]

約数ペア:

[(1, 21967970), (2, 10983985), (5, 4393594), (10, 2196797), (53, 414490), (106, 207245), (181, 121370), (229, 95930), (265, 82898), (362, 60685), (458, 47965), (530, 41449), (905, 24274), (1145, 19186), (1810, 12137), (2290, 9593)]