21447778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{57347}}^1$

素因数の和:57377

約数の個数: 16

約数和(自身を含む): 37161504

約数和(自身を除く): 15713726

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 57347, 114694, 630817, 974899, 1261634, 1949798, 10723889, 21447778]

約数ペア:

[(1, 21447778), (2, 10723889), (11, 1949798), (17, 1261634), (22, 974899), (34, 630817), (187, 114694), (374, 57347)]