21275626535

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1\times {\mathrm{204367}}^1$

素因数の和:204862

約数の個数: 16

約数和(自身を含む): 26132944896

約数和(自身を除く): 4857318361

約数列:

[1, 5, 47, 235, 443, 2215, 20821, 104105, 204367, 1021835, 9605249, 48026245, 90534581, 452672905, 4255125307, 21275626535]

約数ペア:

[(1, 21275626535), (5, 4255125307), (47, 452672905), (235, 90534581), (443, 48026245), (2215, 9605249), (20821, 1021835), (104105, 204367)]