21590782

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{2657}}^1$

素因数の和:2915

約数の個数: 16

約数和(自身を含む): 34447680

約数和(自身を除く): 12856898

約数列:

[1, 2, 17, 34, 239, 478, 2657, 4063, 5314, 8126, 45169, 90338, 635023, 1270046, 10795391, 21590782]

約数ペア:

[(1, 21590782), (2, 10795391), (17, 1270046), (34, 635023), (239, 90338), (478, 45169), (2657, 8126), (4063, 5314)]