21158330

素因数分解:

$2^1\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{2017}}^1$

素因数の和:3073

約数の個数: 16

約数和(自身を含む): 38140200

約数和(自身を除く): 16981870

約数列:

[1, 2, 5, 10, 1049, 2017, 2098, 4034, 5245, 10085, 10490, 20170, 2115833, 4231666, 10579165, 21158330]

約数ペア:

[(1, 21158330), (2, 10579165), (5, 4231666), (10, 2115833), (1049, 20170), (2017, 10490), (2098, 10085), (4034, 5245)]