21153044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{4493}}^1$

素因数の和:4615

約数の個数: 24

約数和(自身を含む): 40769568

約数和(自身を除く): 19616524

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 1177, 2354, 4493, 4708, 8986, 17972, 49423, 98846, 197692, 480751, 961502, 1923004, 5288261, 10576522, 21153044]

約数ペア:

[(1, 21153044), (2, 10576522), (4, 5288261), (11, 1923004), (22, 961502), (44, 480751), (107, 197692), (214, 98846), (428, 49423), (1177, 17972), (2354, 8986), (4493, 4708)]