21624747

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{1489}}^1$

素因数の和:1642

約数の個数: 16

約数和(自身を含む): 29752320

約数和(自身を除く): 8127573

約数列:

[1, 3, 47, 103, 141, 309, 1489, 4467, 4841, 14523, 69983, 153367, 209949, 460101, 7208249, 21624747]

約数ペア:

[(1, 21624747), (3, 7208249), (47, 460101), (103, 209949), (141, 153367), (309, 69983), (1489, 14523), (4467, 4841)]