21178190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{192529}}^1$

素因数の和:192547

約数の個数: 16

約数和(自身を含む): 41586480

約数和(自身を除く): 20408290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 192529, 385058, 962645, 1925290, 2117819, 4235638, 10589095, 21178190]

約数ペア:

[(1, 21178190), (2, 10589095), (5, 4235638), (10, 2117819), (11, 1925290), (22, 962645), (55, 385058), (110, 192529)]