21139967908

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1\times {\mathrm{36061}}^1$

素因数の和:36352

約数の個数: 48

約数和(自身を含む): 40403576304

約数和(自身を除く): 19263608396

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 233, 466, 629, 932, 1258, 2516, 3961, 7922, 8621, 15844, 17242, 34484, 36061, 72122, 144244, 146557, 293114, 586228, 613037, 1226074, 1334257, 2452148, 2668514, 5337028, 8402213, 16804426, 22682369, 33608852, 45364738, 90729476, 142837621, 285675242, 310881881, 571350484, 621763762, 1243527524, 5284991977, 10569983954, 21139967908]

約数ペア:

[(1, 21139967908), (2, 10569983954), (4, 5284991977), (17, 1243527524), (34, 621763762), (37, 571350484), (68, 310881881), (74, 285675242), (148, 142837621), (233, 90729476), (466, 45364738), (629, 33608852), (932, 22682369), (1258, 16804426), (2516, 8402213), (3961, 5337028), (7922, 2668514), (8621, 2452148), (15844, 1334257), (17242, 1226074), (34484, 613037), (36061, 586228), (72122, 293114), (144244, 146557)]