21770256

素因数分解:

$2^4\times 3^1\times {\mathrm{647}}^1\times {\mathrm{701}}^1$

素因数の和:1359

約数の個数: 40

約数和(自身を含む): 56407104

約数和(自身を除く): 34636848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 647, 701, 1294, 1402, 1941, 2103, 2588, 2804, 3882, 4206, 5176, 5608, 7764, 8412, 10352, 11216, 15528, 16824, 31056, 33648, 453547, 907094, 1360641, 1814188, 2721282, 3628376, 5442564, 7256752, 10885128, 21770256]

約数ペア:

[(1, 21770256), (2, 10885128), (3, 7256752), (4, 5442564), (6, 3628376), (8, 2721282), (12, 1814188), (16, 1360641), (24, 907094), (48, 453547), (647, 33648), (701, 31056), (1294, 16824), (1402, 15528), (1941, 11216), (2103, 10352), (2588, 8412), (2804, 7764), (3882, 5608), (4206, 5176)]