21965616

素因数分解:

$2^4\times 3^2\times {\mathrm{152539}}^1$

素因数の和:152553

約数の個数: 30

約数和(自身を含む): 61473620

約数和(自身を除く): 39508004

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 152539, 305078, 457617, 610156, 915234, 1220312, 1372851, 1830468, 2440624, 2745702, 3660936, 5491404, 7321872, 10982808, 21965616]

約数ペア:

[(1, 21965616), (2, 10982808), (3, 7321872), (4, 5491404), (6, 3660936), (8, 2745702), (9, 2440624), (12, 1830468), (16, 1372851), (18, 1220312), (24, 915234), (36, 610156), (48, 457617), (72, 305078), (144, 152539)]