21377465

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{881}}^1$

素因数の和:1120

約数の個数: 16

約数和(自身を含む): 26925696

約数和(自身を除く): 5548231

約数列:

[1, 5, 23, 115, 211, 881, 1055, 4405, 4853, 20263, 24265, 101315, 185891, 929455, 4275493, 21377465]

約数ペア:

[(1, 21377465), (5, 4275493), (23, 929455), (115, 185891), (211, 101315), (881, 24265), (1055, 20263), (4405, 4853)]