21874444

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7481}}^1$

素因数の和:7545

約数の個数: 24

約数和(自身を含む): 41480208

約数和(自身を除く): 19605764

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 7481, 14962, 29924, 127177, 254354, 321683, 508708, 643366, 1286732, 5468611, 10937222, 21874444]

約数ペア:

[(1, 21874444), (2, 10937222), (4, 5468611), (17, 1286732), (34, 643366), (43, 508708), (68, 321683), (86, 254354), (172, 127177), (731, 29924), (1462, 14962), (2924, 7481)]