21959410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{11743}}^1$

素因数の和:11778

約数の個数: 32

約数和(自身を含む): 45660672

約数和(自身を除く): 23701262

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 11743, 23486, 58715, 117430, 129173, 199631, 258346, 399262, 645865, 998155, 1291730, 1996310, 2195941, 4391882, 10979705, 21959410]

約数ペア:

[(1, 21959410), (2, 10979705), (5, 4391882), (10, 2195941), (11, 1996310), (17, 1291730), (22, 998155), (34, 645865), (55, 399262), (85, 258346), (110, 199631), (170, 129173), (187, 117430), (374, 58715), (935, 23486), (1870, 11743)]