21167139133

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1\times {\mathrm{56501}}^1$

素因数の和:57108

約数の個数: 16

約数和(自身を含む): 24463105920

約数和(自身を除く): 3295966787

約数列:

[1, 7, 109, 491, 763, 3437, 53519, 56501, 374633, 395507, 6158609, 27741991, 43110263, 194193937, 3023877019, 21167139133]

約数ペア:

[(1, 21167139133), (7, 3023877019), (109, 194193937), (491, 43110263), (763, 27741991), (3437, 6158609), (53519, 395507), (56501, 374633)]