21122110

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5851}}^1$

素因数の和:5896

約数の個数: 24

約数和(自身を含む): 40133016

約数和(自身を除く): 19010906

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 5851, 11702, 29255, 58510, 111169, 222338, 555845, 1111690, 2112211, 4224422, 10561055, 21122110]

約数ペア:

[(1, 21122110), (2, 10561055), (5, 4224422), (10, 2112211), (19, 1111690), (38, 555845), (95, 222338), (190, 111169), (361, 58510), (722, 29255), (1805, 11702), (3610, 5851)]