21494324

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7351}}^1$

素因数の和:7415

約数の個数: 24

約数和(自身を含む): 40759488

約数和(自身を除く): 19265164

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 7351, 14702, 29404, 124967, 249934, 316093, 499868, 632186, 1264372, 5373581, 10747162, 21494324]

約数ペア:

[(1, 21494324), (2, 10747162), (4, 5373581), (17, 1264372), (34, 632186), (43, 499868), (68, 316093), (86, 249934), (172, 124967), (731, 29404), (1462, 14702), (2924, 7351)]