21229010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{192991}}^1$

素因数の和:193009

約数の個数: 16

約数和(自身を含む): 41686272

約数和(自身を除く): 20457262

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 192991, 385982, 964955, 1929910, 2122901, 4245802, 10614505, 21229010]

約数ペア:

[(1, 21229010), (2, 10614505), (5, 4245802), (10, 2122901), (11, 1929910), (22, 964955), (55, 385982), (110, 192991)]