21036854209

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{3319}}^1$

素因数の和:3637

約数の個数: 32

約数和(自身を含む): 24860160000

約数和(自身を除く): 3823305791

約数列:

[1, 7, 59, 103, 149, 413, 721, 1043, 3319, 6077, 8791, 15347, 23233, 42539, 61537, 107429, 195821, 341857, 494531, 905473, 1370747, 2392999, 3461717, 6338311, 20169563, 29177329, 50936693, 141186941, 204241303, 356556851, 3005264887, 21036854209]

約数ペア:

[(1, 21036854209), (7, 3005264887), (59, 356556851), (103, 204241303), (149, 141186941), (413, 50936693), (721, 29177329), (1043, 20169563), (3319, 6338311), (6077, 3461717), (8791, 2392999), (15347, 1370747), (23233, 905473), (42539, 494531), (61537, 341857), (107429, 195821)]