21018021286

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{7817}}^1\times {\mathrm{22039}}^1$

素因数の和:29919

約数の個数: 16

約数和(自身を含む): 32049421920

約数和(自身を除く): 11031400634

約数列:

[1, 2, 61, 122, 7817, 15634, 22039, 44078, 476837, 953674, 1344379, 2688758, 172278863, 344557726, 10509010643, 21018021286]

約数ペア:

[(1, 21018021286), (2, 10509010643), (61, 344557726), (122, 172278863), (7817, 2688758), (15634, 1344379), (22039, 953674), (44078, 476837)]