21030230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{161771}}^1$

素因数の和:161791

約数の個数: 16

約数和(自身を含む): 40766544

約数和(自身を除く): 19736314

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 161771, 323542, 808855, 1617710, 2103023, 4206046, 10515115, 21030230]

約数ペア:

[(1, 21030230), (2, 10515115), (5, 4206046), (10, 2103023), (13, 1617710), (26, 808855), (65, 323542), (130, 161771)]