21270230

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{125119}}^1$

素因数の和:125143

約数の個数: 16

約数和(自身を含む): 40538880

約数和(自身を除く): 19268650

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 125119, 250238, 625595, 1251190, 2127023, 4254046, 10635115, 21270230]

約数ペア:

[(1, 21270230), (2, 10635115), (5, 4254046), (10, 2127023), (17, 1251190), (34, 625595), (85, 250238), (170, 125119)]