21000388612

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{11194237}}^1$

素因数の和:11194315

約数の個数: 24

約数和(自身を含む): 42627658304

約数和(自身を除く): 21627269692

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 11194237, 22388474, 44776948, 78359659, 156719318, 313438636, 750013879, 1500027758, 3000055516, 5250097153, 10500194306, 21000388612]

約数ペア:

[(1, 21000388612), (2, 10500194306), (4, 5250097153), (7, 3000055516), (14, 1500027758), (28, 750013879), (67, 313438636), (134, 156719318), (268, 78359659), (469, 44776948), (938, 22388474), (1876, 11194237)]