21255694

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{2953}}^1$

素因数の和:3075

約数の個数: 16

約数和(自身を含む): 32966640

約数和(自身を除く): 11710946

約数列:

[1, 2, 59, 61, 118, 122, 2953, 3599, 5906, 7198, 174227, 180133, 348454, 360266, 10627847, 21255694]

約数ペア:

[(1, 21255694), (2, 10627847), (59, 360266), (61, 348454), (118, 180133), (122, 174227), (2953, 7198), (3599, 5906)]