21877508

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{6427}}^1$

素因数の和:6491

約数の個数: 24

約数和(自身を含む): 41036352

約数和(自身を除く): 19158844

約数列:

[1, 2, 4, 23, 37, 46, 74, 92, 148, 851, 1702, 3404, 6427, 12854, 25708, 147821, 237799, 295642, 475598, 591284, 951196, 5469377, 10938754, 21877508]

約数ペア:

[(1, 21877508), (2, 10938754), (4, 5469377), (23, 951196), (37, 591284), (46, 475598), (74, 295642), (92, 237799), (148, 147821), (851, 25708), (1702, 12854), (3404, 6427)]