2021214789

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{857}}^1\times {\mathrm{2647}}^1$

素因数の和:3527

約数の個数: 40

約数和(自身を含む): 3298920768

約数和(自身を除く): 1277705979

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 857, 891, 2571, 2647, 7713, 7941, 9427, 23139, 23823, 28281, 29117, 69417, 71469, 84843, 87351, 214407, 254529, 262053, 763587, 786159, 2268479, 2358477, 6805437, 20416311, 24953269, 61248933, 74859807, 183746799, 224579421, 673738263, 2021214789]

約数ペア:

[(1, 2021214789), (3, 673738263), (9, 224579421), (11, 183746799), (27, 74859807), (33, 61248933), (81, 24953269), (99, 20416311), (297, 6805437), (857, 2358477), (891, 2268479), (2571, 786159), (2647, 763587), (7713, 262053), (7941, 254529), (9427, 214407), (23139, 87351), (23823, 84843), (28281, 71469), (29117, 69417)]