21167243216

素因数分解:

$2^4\times 7^1\times {\mathrm{188993243}}^1$

素因数の和:188993258

約数の個数: 20

約数和(自身を含む): 46870324512

約数和(自身を除く): 25703081296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 188993243, 377986486, 755972972, 1322952701, 1511945944, 2645905402, 3023891888, 5291810804, 10583621608, 21167243216]

約数ペア:

[(1, 21167243216), (2, 10583621608), (4, 5291810804), (7, 3023891888), (8, 2645905402), (14, 1511945944), (16, 1322952701), (28, 755972972), (56, 377986486), (112, 188993243)]