21421802495

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{1124209}}^1$

素因数の和:1124354

約数の個数: 16

約数和(自身を含む): 26657267520

約数和(自身を除く): 5235465025

約数列:

[1, 5, 37, 103, 185, 515, 3811, 19055, 1124209, 5621045, 41595733, 115793527, 207978665, 578967635, 4284360499, 21421802495]

約数ペア:

[(1, 21421802495), (5, 4284360499), (37, 578967635), (103, 207978665), (185, 115793527), (515, 41595733), (3811, 5621045), (19055, 1124209)]