21930170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{129001}}^1$

素因数の和:129025

約数の個数: 16

約数和(自身を含む): 41796648

約数和(自身を除く): 19866478

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 129001, 258002, 645005, 1290010, 2193017, 4386034, 10965085, 21930170]

約数ペア:

[(1, 21930170), (2, 10965085), (5, 4386034), (10, 2193017), (17, 1290010), (34, 645005), (85, 258002), (170, 129001)]