21175381745

素因数分解:

$5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1021}}^1\times {\mathrm{5867}}^1$

素因数の和:7001

約数の個数: 32

約数和(自身を含む): 29361782016

約数和(自身を除く): 8186400271

約数列:

[1, 5, 7, 35, 101, 505, 707, 1021, 3535, 5105, 5867, 7147, 29335, 35735, 41069, 103121, 205345, 515605, 592567, 721847, 2962835, 3609235, 4147969, 5990207, 20739845, 29951035, 41931449, 209657245, 605010907, 3025054535, 4235076349, 21175381745]

約数ペア:

[(1, 21175381745), (5, 4235076349), (7, 3025054535), (35, 605010907), (101, 209657245), (505, 41931449), (707, 29951035), (1021, 20739845), (3535, 5990207), (5105, 4147969), (5867, 3609235), (7147, 2962835), (29335, 721847), (35735, 592567), (41069, 515605), (103121, 205345)]