21037324

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{409}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 46287360

約数和(自身を除く): 25250036

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 167, 308, 334, 409, 668, 818, 1169, 1636, 1837, 2338, 2863, 3674, 4499, 4676, 5726, 7348, 8998, 11452, 12859, 17996, 25718, 31493, 51436, 62986, 68303, 125972, 136606, 273212, 478121, 751333, 956242, 1502666, 1912484, 3005332, 5259331, 10518662, 21037324]

約数ペア:

[(1, 21037324), (2, 10518662), (4, 5259331), (7, 3005332), (11, 1912484), (14, 1502666), (22, 956242), (28, 751333), (44, 478121), (77, 273212), (154, 136606), (167, 125972), (308, 68303), (334, 62986), (409, 51436), (668, 31493), (818, 25718), (1169, 17996), (1636, 12859), (1837, 11452), (2338, 8998), (2863, 7348), (3674, 5726), (4499, 4676)]