21302195

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{1019}}^1$

素因数の和:1174

約数の個数: 16

約数和(自身を含む): 26511840

約数和(自身を除く): 5209645

約数列:

[1, 5, 37, 113, 185, 565, 1019, 4181, 5095, 20905, 37703, 115147, 188515, 575735, 4260439, 21302195]

約数ペア:

[(1, 21302195), (5, 4260439), (37, 575735), (113, 188515), (185, 115147), (565, 37703), (1019, 20905), (4181, 5095)]