21221852

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{1619}}^1$

素因数の和:1765

約数の個数: 24

約数和(自身を含む): 38782800

約数和(自身を除く): 17560948

約数列:

[1, 2, 4, 29, 58, 113, 116, 226, 452, 1619, 3238, 3277, 6476, 6554, 13108, 46951, 93902, 182947, 187804, 365894, 731788, 5305463, 10610926, 21221852]

約数ペア:

[(1, 21221852), (2, 10610926), (4, 5305463), (29, 731788), (58, 365894), (113, 187804), (116, 182947), (226, 93902), (452, 46951), (1619, 13108), (3238, 6554), (3277, 6476)]