21265659

素因数分解:

$3^6\times {\mathrm{31}}^1\times {\mathrm{941}}^1$

素因数の和:990

約数の個数: 28

約数和(自身を含む): 32947392

約数和(自身を除く): 11681733

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 729, 837, 941, 2511, 2823, 7533, 8469, 22599, 25407, 29171, 76221, 87513, 228663, 262539, 685989, 787617, 2362851, 7088553, 21265659]

約数ペア:

[(1, 21265659), (3, 7088553), (9, 2362851), (27, 787617), (31, 685989), (81, 262539), (93, 228663), (243, 87513), (279, 76221), (729, 29171), (837, 25407), (941, 22599), (2511, 8469), (2823, 7533)]