21604909

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 23708160

約数和(自身を除く): 2103251

約数列:

[1, 17, 41, 139, 223, 697, 2363, 3791, 5699, 9143, 30997, 96883, 155431, 526949, 1270877, 21604909]

約数ペア:

[(1, 21604909), (17, 1270877), (41, 526949), (139, 155431), (223, 96883), (697, 30997), (2363, 9143), (3791, 5699)]