21474886

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{683}}^1$

素因数の和:963

約数の個数: 16

約数和(自身を含む): 32832000

約数和(自身を除く): 11357114

約数列:

[1, 2, 79, 158, 199, 398, 683, 1366, 15721, 31442, 53957, 107914, 135917, 271834, 10737443, 21474886]

約数ペア:

[(1, 21474886), (2, 10737443), (79, 271834), (158, 135917), (199, 107914), (398, 53957), (683, 31442), (1366, 15721)]