21052630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3347}}^1$

素因数の和:3408

約数の個数: 32

約数和(自身を含む): 41220576

約数和(自身を除く): 20167946

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 370, 629, 1258, 3145, 3347, 6290, 6694, 16735, 33470, 56899, 113798, 123839, 247678, 284495, 568990, 619195, 1238390, 2105263, 4210526, 10526315, 21052630]

約数ペア:

[(1, 21052630), (2, 10526315), (5, 4210526), (10, 2105263), (17, 1238390), (34, 619195), (37, 568990), (74, 284495), (85, 247678), (170, 123839), (185, 113798), (370, 56899), (629, 33470), (1258, 16735), (3145, 6694), (3347, 6290)]