21092816636

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{911}}^1\times {\mathrm{304651}}^1$

素因数の和:305585

約数の個数: 24

約数和(自身を含む): 38897967360

約数和(自身を除く): 17805150724

約数列:

[1, 2, 4, 19, 38, 76, 911, 1822, 3644, 17309, 34618, 69236, 304651, 609302, 1218604, 5788369, 11576738, 23153476, 277537061, 555074122, 1110148244, 5273204159, 10546408318, 21092816636]

約数ペア:

[(1, 21092816636), (2, 10546408318), (4, 5273204159), (19, 1110148244), (38, 555074122), (76, 277537061), (911, 23153476), (1822, 11576738), (3644, 5788369), (17309, 1218604), (34618, 609302), (69236, 304651)]