21264518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{56857}}^1$

素因数の和:56887

約数の個数: 16

約数和(自身を含む): 36843984

約数和(自身を除く): 15579466

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 56857, 113714, 625427, 966569, 1250854, 1933138, 10632259, 21264518]

約数ペア:

[(1, 21264518), (2, 10632259), (11, 1933138), (17, 1250854), (22, 966569), (34, 625427), (187, 113714), (374, 56857)]