21483903

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{8597}}^1$

素因数の和:8631

約数の個数: 24

約数和(自身を含む): 35286192

約数和(自身を除く): 13802289

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 8597, 25791, 60179, 146149, 180537, 421253, 438447, 1023043, 1263759, 3069129, 7161301, 21483903]

約数ペア:

[(1, 21483903), (3, 7161301), (7, 3069129), (17, 1263759), (21, 1023043), (49, 438447), (51, 421253), (119, 180537), (147, 146149), (357, 60179), (833, 25791), (2499, 8597)]