21789485

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{6199}}^1$

素因数の和:6260

約数の個数: 16

約数和(自身を含む): 28272000

約数和(自身を除く): 6482515

約数列:

[1, 5, 19, 37, 95, 185, 703, 3515, 6199, 30995, 117781, 229363, 588905, 1146815, 4357897, 21789485]

約数ペア:

[(1, 21789485), (5, 4357897), (19, 1146815), (37, 588905), (95, 229363), (185, 117781), (703, 30995), (3515, 6199)]