21908502001

素因数分解:

${\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1741}}^1\times {\mathrm{2963}}^1$

素因数の和:4872

約数の個数: 16

約数和(自身を含む): 22801079808

約数和(自身を除く): 892577807

約数列:

[1, 31, 137, 1741, 2963, 4247, 53971, 91853, 238517, 405931, 5158583, 7394027, 12583861, 159916073, 706725871, 21908502001]

約数ペア:

[(1, 21908502001), (31, 706725871), (137, 159916073), (1741, 12583861), (2963, 7394027), (4247, 5158583), (53971, 405931), (91853, 238517)]