21760767

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3881}}^1$

素因数の和:3983

約数の個数: 24

約数和(自身を含む): 36335520

約数和(自身を除く): 14574753

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 3881, 5607, 11643, 27167, 34929, 81501, 244503, 345409, 1036227, 2417863, 3108681, 7253589, 21760767]

約数ペア:

[(1, 21760767), (3, 7253589), (7, 3108681), (9, 2417863), (21, 1036227), (63, 345409), (89, 244503), (267, 81501), (623, 34929), (801, 27167), (1869, 11643), (3881, 5607)]