21790974

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{213637}}^1$

素因数の和:213659

約数の個数: 16

約数和(自身を含む): 46145808

約数和(自身を除く): 24354834

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 213637, 427274, 640911, 1281822, 3631829, 7263658, 10895487, 21790974]

約数ペア:

[(1, 21790974), (2, 10895487), (3, 7263658), (6, 3631829), (17, 1281822), (34, 640911), (51, 427274), (102, 213637)]