21521394

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{25439}}^1$

素因数の和:25494

約数の個数: 24

約数和(自身を含む): 47623680

約数和(自身を除く): 26102286

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846, 25439, 50878, 76317, 152634, 228951, 457902, 1195633, 2391266, 3586899, 7173798, 10760697, 21521394]

約数ペア:

[(1, 21521394), (2, 10760697), (3, 7173798), (6, 3586899), (9, 2391266), (18, 1195633), (47, 457902), (94, 228951), (141, 152634), (282, 76317), (423, 50878), (846, 25439)]