21171870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{235243}}^1$

素因数の和:235256

約数の個数: 24

約数和(自身を含む): 55047096

約数和(自身を除く): 33875226

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 235243, 470486, 705729, 1176215, 1411458, 2117187, 2352430, 3528645, 4234374, 7057290, 10585935, 21171870]

約数ペア:

[(1, 21171870), (2, 10585935), (3, 7057290), (5, 4234374), (6, 3528645), (9, 2352430), (10, 2117187), (15, 1411458), (18, 1176215), (30, 705729), (45, 470486), (90, 235243)]