21345037

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 26511840

約数和(自身を除く): 5166803

約数列:

[1, 7, 19, 49, 101, 133, 227, 707, 931, 1589, 1919, 4313, 4949, 11123, 13433, 22927, 30191, 94031, 160489, 211337, 435613, 1123423, 3049291, 21345037]

約数ペア:

[(1, 21345037), (7, 3049291), (19, 1123423), (49, 435613), (101, 211337), (133, 160489), (227, 94031), (707, 30191), (931, 22927), (1589, 13433), (1919, 11123), (4313, 4949)]