21195254

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1\times {\mathrm{331}}^1$

素因数の和:751

約数の個数: 16

約数和(自身を含む): 32306256

約数和(自身を除く): 11111002

約数列:

[1, 2, 101, 202, 317, 331, 634, 662, 32017, 33431, 64034, 66862, 104927, 209854, 10597627, 21195254]

約数ペア:

[(1, 21195254), (2, 10597627), (101, 209854), (202, 104927), (317, 66862), (331, 64034), (634, 33431), (662, 32017)]