21028527

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{941}}^1$

素因数の和:1151

約数の個数: 24

約数和(自身を含む): 32917248

約数和(自身を除く): 11888721

約数列:

[1, 3, 9, 13, 39, 117, 191, 573, 941, 1719, 2483, 2823, 7449, 8469, 12233, 22347, 36699, 110097, 179731, 539193, 1617579, 2336503, 7009509, 21028527]

約数ペア:

[(1, 21028527), (3, 7009509), (9, 2336503), (13, 1617579), (39, 539193), (117, 179731), (191, 110097), (573, 36699), (941, 22347), (1719, 12233), (2483, 8469), (2823, 7449)]