21036705507

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{5229109}}^1$

素因数の和:5229267

約数の個数: 16

約数和(自身を含む): 31374660000

約数和(自身を除く): 10337954493

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 5229109, 15687327, 47061981, 141185943, 779137241, 2337411723, 7012235169, 21036705507]

約数ペア:

[(1, 21036705507), (3, 7012235169), (9, 2337411723), (27, 779137241), (149, 141185943), (447, 47061981), (1341, 15687327), (4023, 5229109)]