21094930

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{16103}}^1$

素因数の和:16241

約数の個数: 16

約数和(自身を含む): 38263104

約数和(自身を除く): 17168174

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 16103, 32206, 80515, 161030, 2109493, 4218986, 10547465, 21094930]

約数ペア:

[(1, 21094930), (2, 10547465), (5, 4218986), (10, 2109493), (131, 161030), (262, 80515), (655, 32206), (1310, 16103)]