21629576

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1013}}^1$

素因数の和:1193

約数の個数: 32

約数和(自身を含む): 43257240

約数和(自身を除く): 21627664

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157, 314, 628, 1013, 1256, 2026, 2669, 4052, 5338, 8104, 10676, 17221, 21352, 34442, 68884, 137768, 159041, 318082, 636164, 1272328, 2703697, 5407394, 10814788, 21629576]

約数ペア:

[(1, 21629576), (2, 10814788), (4, 5407394), (8, 2703697), (17, 1272328), (34, 636164), (68, 318082), (136, 159041), (157, 137768), (314, 68884), (628, 34442), (1013, 21352), (1256, 17221), (2026, 10676), (2669, 8104), (4052, 5338)]