21575895

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3041}}^1$

素因数の和:3103

約数の個数: 32

約数和(自身を含む): 38548224

約数和(自身を除く): 16972329

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1419, 2365, 3041, 7095, 9123, 15205, 33451, 45615, 100353, 130763, 167255, 392289, 501765, 653815, 1438393, 1961445, 4315179, 7191965, 21575895]

約数ペア:

[(1, 21575895), (3, 7191965), (5, 4315179), (11, 1961445), (15, 1438393), (33, 653815), (43, 501765), (55, 392289), (129, 167255), (165, 130763), (215, 100353), (473, 45615), (645, 33451), (1419, 15205), (2365, 9123), (3041, 7095)]