21466978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{9277}}^1$

素因数の和:9381

約数の個数: 16

約数和(自身を含む): 35070840

約数和(自身を除く): 13603862

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 9277, 18554, 120601, 241202, 825653, 1651306, 10733489, 21466978]

約数ペア:

[(1, 21466978), (2, 10733489), (13, 1651306), (26, 825653), (89, 241202), (178, 120601), (1157, 18554), (2314, 9277)]