21117232

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{35671}}^1$

素因数の和:35716

約数の個数: 20

約数和(自身を含む): 42021616

約数和(自身を除く): 20904384

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 35671, 71342, 142684, 285368, 570736, 1319827, 2639654, 5279308, 10558616, 21117232]

約数ペア:

[(1, 21117232), (2, 10558616), (4, 5279308), (8, 2639654), (16, 1319827), (37, 570736), (74, 285368), (148, 142684), (296, 71342), (592, 35671)]