21832505

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 28845720

約数和(自身を除く): 7013215

約数列:

[1, 5, 17, 29, 85, 145, 289, 493, 521, 1445, 2465, 2605, 8381, 8857, 15109, 41905, 44285, 75545, 150569, 256853, 752845, 1284265, 4366501, 21832505]

約数ペア:

[(1, 21832505), (5, 4366501), (17, 1284265), (29, 752845), (85, 256853), (145, 150569), (289, 75545), (493, 44285), (521, 41905), (1445, 15109), (2465, 8857), (2605, 8381)]