21385212

素因数分解:

$2^2\times 3^1\times {\mathrm{619}}^1\times {\mathrm{2879}}^1$

素因数の和:3505

約数の個数: 24

約数和(自身を含む): 49996800

約数和(自身を除く): 28611588

約数列:

[1, 2, 3, 4, 6, 12, 619, 1238, 1857, 2476, 2879, 3714, 5758, 7428, 8637, 11516, 17274, 34548, 1782101, 3564202, 5346303, 7128404, 10692606, 21385212]

約数ペア:

[(1, 21385212), (2, 10692606), (3, 7128404), (4, 5346303), (6, 3564202), (12, 1782101), (619, 34548), (1238, 17274), (1857, 11516), (2476, 8637), (2879, 7428), (3714, 5758)]