21970572

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{140837}}^1$

素因数の和:140857

約数の個数: 24

約数和(自身を含む): 55208496

約数和(自身を除く): 33237924

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 140837, 281674, 422511, 563348, 845022, 1690044, 1830881, 3661762, 5492643, 7323524, 10985286, 21970572]

約数ペア:

[(1, 21970572), (2, 10985286), (3, 7323524), (4, 5492643), (6, 3661762), (12, 1830881), (13, 1690044), (26, 845022), (39, 563348), (52, 422511), (78, 281674), (156, 140837)]