21346235

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:518

約数の個数: 16

約数和(自身を含む): 26120640

約数和(自身を除く): 4774405

約数列:

[1, 5, 103, 181, 229, 515, 905, 1145, 18643, 23587, 41449, 93215, 117935, 207245, 4269247, 21346235]

約数ペア:

[(1, 21346235), (5, 4269247), (103, 207245), (181, 117935), (229, 93215), (515, 41449), (905, 23587), (1145, 18643)]