21217394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{56731}}^1$

素因数の和:56761

約数の個数: 16

約数和(自身を含む): 36762336

約数和(自身を除く): 15544942

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 56731, 113462, 624041, 964427, 1248082, 1928854, 10608697, 21217394]

約数ペア:

[(1, 21217394), (2, 10608697), (11, 1928854), (17, 1248082), (22, 964427), (34, 624041), (187, 113462), (374, 56731)]