8421430

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1901}}^1$

素因数の和:2351

約数の個数: 16

約数和(自身を含む): 15200784

約数和(自身を除く): 6779354

約数列:

[1, 2, 5, 10, 443, 886, 1901, 2215, 3802, 4430, 9505, 19010, 842143, 1684286, 4210715, 8421430]

約数ペア:

[(1, 8421430), (2, 4210715), (5, 1684286), (10, 842143), (443, 19010), (886, 9505), (1901, 4430), (2215, 3802)]