21657708

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{11351}}^1$

素因数の和:11414

約数の個数: 36

約数和(自身を含む): 55783728

約数和(自身を除く): 34126020

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 11351, 22702, 34053, 45404, 68106, 102159, 136212, 204318, 408636, 601603, 1203206, 1804809, 2406412, 3609618, 5414427, 7219236, 10828854, 21657708]

約数ペア:

[(1, 21657708), (2, 10828854), (3, 7219236), (4, 5414427), (6, 3609618), (9, 2406412), (12, 1804809), (18, 1203206), (36, 601603), (53, 408636), (106, 204318), (159, 136212), (212, 102159), (318, 68106), (477, 45404), (636, 34053), (954, 22702), (1908, 11351)]