21092031

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 31350176

約数和(自身を除く): 10258145

約数列:

[1, 3, 9, 61, 103, 183, 309, 373, 549, 927, 1119, 3357, 6283, 18849, 22753, 38419, 56547, 68259, 115257, 204777, 345771, 2343559, 7030677, 21092031]

約数ペア:

[(1, 21092031), (3, 7030677), (9, 2343559), (61, 345771), (103, 204777), (183, 115257), (309, 68259), (373, 56547), (549, 38419), (927, 22753), (1119, 18849), (3357, 6283)]