21633639

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{18443}}^1$

素因数の和:18486

約数の個数: 16

約数和(自身を含む): 31871232

約数和(自身を除く): 10237593

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 18443, 55329, 313531, 424189, 940593, 1272567, 7211213, 21633639]

約数ペア:

[(1, 21633639), (3, 7211213), (17, 1272567), (23, 940593), (51, 424189), (69, 313531), (391, 55329), (1173, 18443)]