21505594

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{2333}}^1$

素因数の和:2765

約数の個数: 16

約数和(自身を含む): 35290080

約数和(自身を除く): 13784486

約数列:

[1, 2, 11, 22, 419, 838, 2333, 4609, 4666, 9218, 25663, 51326, 977527, 1955054, 10752797, 21505594]

約数ペア:

[(1, 21505594), (2, 10752797), (11, 1955054), (22, 977527), (419, 51326), (838, 25663), (2333, 9218), (4609, 4666)]