21380458882

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1451}}^1\times {\mathrm{5527}}^1$

素因数の和:7054

約数の個数: 32

約数和(自身を含む): 33904594944

約数和(自身を除く): 12524136062

約数列:

[1, 2, 31, 43, 62, 86, 1333, 1451, 2666, 2902, 5527, 11054, 44981, 62393, 89962, 124786, 171337, 237661, 342674, 475322, 1934183, 3868366, 7367491, 8019677, 14734982, 16039354, 248609987, 344846111, 497219974, 689692222, 10690229441, 21380458882]

約数ペア:

[(1, 21380458882), (2, 10690229441), (31, 689692222), (43, 497219974), (62, 344846111), (86, 248609987), (1333, 16039354), (1451, 14734982), (2666, 8019677), (2902, 7367491), (5527, 3868366), (11054, 1934183), (44981, 475322), (62393, 342674), (89962, 237661), (124786, 171337)]