21411468908

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{67757813}}^1$

素因数の和:67757896

約数の個数: 12

約数和(自身を含む): 37944375840

約数和(自身を除く): 16532906932

約数列:

[1, 2, 4, 79, 158, 316, 67757813, 135515626, 271031252, 5352867227, 10705734454, 21411468908]

約数ペア:

[(1, 21411468908), (2, 10705734454), (4, 5352867227), (79, 271031252), (158, 135515626), (316, 67757813)]