21285035

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3673}}^1$

素因数の和:3758

約数の個数: 16

約数和(自身を含む): 27334560

約数和(自身を除く): 6049525

約数列:

[1, 5, 19, 61, 95, 305, 1159, 3673, 5795, 18365, 69787, 224053, 348935, 1120265, 4257007, 21285035]

約数ペア:

[(1, 21285035), (5, 4257007), (19, 1120265), (61, 348935), (95, 224053), (305, 69787), (1159, 18365), (3673, 5795)]