21167154164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1621}}^1\times {\mathrm{251117}}^1$

素因数の和:252755

約数の個数: 24

約数和(自身を含む): 39916712808

約数和(自身を除く): 18749558644

約数列:

[1, 2, 4, 13, 26, 52, 1621, 3242, 6484, 21073, 42146, 84292, 251117, 502234, 1004468, 3264521, 6529042, 13058084, 407060657, 814121314, 1628242628, 5291788541, 10583577082, 21167154164]

約数ペア:

[(1, 21167154164), (2, 10583577082), (4, 5291788541), (13, 1628242628), (26, 814121314), (52, 407060657), (1621, 13058084), (3242, 6529042), (6484, 3264521), (21073, 1004468), (42146, 502234), (84292, 251117)]