21709010

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2551}}^1$

素因数の和:2618

約数の個数: 32

約数和(自身を含む): 41893632

約数和(自身を除く): 20184622

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 185, 230, 370, 851, 1702, 2551, 4255, 5102, 8510, 12755, 25510, 58673, 94387, 117346, 188774, 293365, 471935, 586730, 943870, 2170901, 4341802, 10854505, 21709010]

約数ペア:

[(1, 21709010), (2, 10854505), (5, 4341802), (10, 2170901), (23, 943870), (37, 586730), (46, 471935), (74, 293365), (115, 188774), (185, 117346), (230, 94387), (370, 58673), (851, 25510), (1702, 12755), (2551, 8510), (4255, 5102)]