21252426

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{20959}}^1$

素因数の和:20990

約数の個数: 24

約数和(自身を含む): 46028160

約数和(自身を除く): 24775734

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 20959, 41918, 62877, 125754, 272467, 544934, 817401, 1634802, 3542071, 7084142, 10626213, 21252426]

約数ペア:

[(1, 21252426), (2, 10626213), (3, 7084142), (6, 3542071), (13, 1634802), (26, 817401), (39, 544934), (78, 272467), (169, 125754), (338, 62877), (507, 41918), (1014, 20959)]