21517908

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{16451}}^1$

素因数の和:16567

約数の個数: 24

約数和(自身を含む): 50672160

約数和(自身を除く): 29154252

約数列:

[1, 2, 3, 4, 6, 12, 109, 218, 327, 436, 654, 1308, 16451, 32902, 49353, 65804, 98706, 197412, 1793159, 3586318, 5379477, 7172636, 10758954, 21517908]

約数ペア:

[(1, 21517908), (2, 10758954), (3, 7172636), (4, 5379477), (6, 3586318), (12, 1793159), (109, 197412), (218, 98706), (327, 65804), (436, 49353), (654, 32902), (1308, 16451)]