21022015

素因数分解:

$5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1721}}^1$

素因数の和:2082

約数の個数: 16

約数和(自身を含む): 28929600

約数和(自身を除く): 7907585

約数列:

[1, 5, 7, 35, 349, 1721, 1745, 2443, 8605, 12047, 12215, 60235, 600629, 3003145, 4204403, 21022015]

約数ペア:

[(1, 21022015), (5, 4204403), (7, 3003145), (35, 600629), (349, 60235), (1721, 12215), (1745, 12047), (2443, 8605)]