21445762

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{947}}^1$

素因数の和:1042

約数の個数: 24

約数和(自身を含む): 35390736

約数和(自身を除く): 13944974

約数列:

[1, 2, 13, 26, 67, 134, 169, 338, 871, 947, 1742, 1894, 11323, 12311, 22646, 24622, 63449, 126898, 160043, 320086, 824837, 1649674, 10722881, 21445762]

約数ペア:

[(1, 21445762), (2, 10722881), (13, 1649674), (26, 824837), (67, 320086), (134, 160043), (169, 126898), (338, 63449), (871, 24622), (947, 22646), (1742, 12311), (1894, 11323)]