21742101

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{3677}}^1$

素因数の和:3762

約数の個数: 20

約数和(自身を含む): 32932812

約数和(自身を除く): 11190711

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 3677, 5913, 11031, 33093, 99279, 268421, 297837, 805263, 2415789, 7247367, 21742101]

約数ペア:

[(1, 21742101), (3, 7247367), (9, 2415789), (27, 805263), (73, 297837), (81, 268421), (219, 99279), (657, 33093), (1971, 11031), (3677, 5913)]