21869110

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{35851}}^1$

素因数の和:35919

約数の個数: 16

約数和(自身を含む): 40010832

約数和(自身を除く): 18141722

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 35851, 71702, 179255, 358510, 2186911, 4373822, 10934555, 21869110]

約数ペア:

[(1, 21869110), (2, 10934555), (5, 4373822), (10, 2186911), (61, 358510), (122, 179255), (305, 71702), (610, 35851)]