21870510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15511}}^1$

素因数の和:15568

約数の個数: 32

約数和(自身を含む): 53609472

約数和(自身を除く): 31738962

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 15511, 31022, 46533, 77555, 93066, 155110, 232665, 465330, 729017, 1458034, 2187051, 3645085, 4374102, 7290170, 10935255, 21870510]

約数ペア:

[(1, 21870510), (2, 10935255), (3, 7290170), (5, 4374102), (6, 3645085), (10, 2187051), (15, 1458034), (30, 729017), (47, 465330), (94, 232665), (141, 155110), (235, 93066), (282, 77555), (470, 46533), (705, 31022), (1410, 15511)]