21066574

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{2917}}^1$

素因数の和:3099

約数の個数: 16

約数和(自身を含む): 33195168

約数和(自身を除く): 12128594

約数列:

[1, 2, 23, 46, 157, 314, 2917, 3611, 5834, 7222, 67091, 134182, 457969, 915938, 10533287, 21066574]

約数ペア:

[(1, 21066574), (2, 10533287), (23, 915938), (46, 457969), (157, 134182), (314, 67091), (2917, 7222), (3611, 5834)]