21135480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176129}}^1$

素因数の和:176143

約数の個数: 32

約数和(自身を含む): 63406800

約数和(自身を除く): 42271320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176129, 352258, 528387, 704516, 880645, 1056774, 1409032, 1761290, 2113548, 2641935, 3522580, 4227096, 5283870, 7045160, 10567740, 21135480]

約数ペア:

[(1, 21135480), (2, 10567740), (3, 7045160), (4, 5283870), (5, 4227096), (6, 3522580), (8, 2641935), (10, 2113548), (12, 1761290), (15, 1409032), (20, 1056774), (24, 880645), (30, 704516), (40, 528387), (60, 352258), (120, 176129)]