21296396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{929}}^1$

素因数の和:1465

約数の個数: 24

約数和(自身を含む): 40778640

約数和(自身を除く): 19482244

約数列:

[1, 2, 4, 11, 22, 44, 521, 929, 1042, 1858, 2084, 3716, 5731, 10219, 11462, 20438, 22924, 40876, 484009, 968018, 1936036, 5324099, 10648198, 21296396]

約数ペア:

[(1, 21296396), (2, 10648198), (4, 5324099), (11, 1936036), (22, 968018), (44, 484009), (521, 40876), (929, 22924), (1042, 20438), (1858, 11462), (2084, 10219), (3716, 5731)]