21074636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{941}}^1$

素因数の和:1465

約数の個数: 24

約数和(自身を含む): 40355280

約数和(自身を除く): 19280644

約数列:

[1, 2, 4, 11, 22, 44, 509, 941, 1018, 1882, 2036, 3764, 5599, 10351, 11198, 20702, 22396, 41404, 478969, 957938, 1915876, 5268659, 10537318, 21074636]

約数ペア:

[(1, 21074636), (2, 10537318), (4, 5268659), (11, 1915876), (22, 957938), (44, 478969), (509, 41404), (941, 22396), (1018, 20702), (1882, 11198), (2036, 10351), (3764, 5599)]