21904766

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{229}}^1\times {\mathrm{283}}^1$

素因数の和:540

約数の個数: 24

約数和(自身を含む): 35860680

約数和(自身を除く): 13955914

約数列:

[1, 2, 13, 26, 169, 229, 283, 338, 458, 566, 2977, 3679, 5954, 7358, 38701, 47827, 64807, 77402, 95654, 129614, 842491, 1684982, 10952383, 21904766]

約数ペア:

[(1, 21904766), (2, 10952383), (13, 1684982), (26, 842491), (169, 129614), (229, 95654), (283, 77402), (338, 64807), (458, 47827), (566, 38701), (2977, 7358), (3679, 5954)]