21421356

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{14753}}^1$

素因数の和:14782

約数の個数: 36

約数和(自身を含む): 54943896

約数和(自身を除く): 33522540

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 121, 132, 242, 363, 484, 726, 1452, 14753, 29506, 44259, 59012, 88518, 162283, 177036, 324566, 486849, 649132, 973698, 1785113, 1947396, 3570226, 5355339, 7140452, 10710678, 21421356]

約数ペア:

[(1, 21421356), (2, 10710678), (3, 7140452), (4, 5355339), (6, 3570226), (11, 1947396), (12, 1785113), (22, 973698), (33, 649132), (44, 486849), (66, 324566), (121, 177036), (132, 162283), (242, 88518), (363, 59012), (484, 44259), (726, 29506), (1452, 14753)]