21000751912

素因数分解:

$2^3\times 7^1\times {\mathrm{375013427}}^1$

素因数の和:375013440

約数の個数: 16

約数和(自身を含む): 45001611360

約数和(自身を除く): 24000859448

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 375013427, 750026854, 1500053708, 2625093989, 3000107416, 5250187978, 10500375956, 21000751912]

約数ペア:

[(1, 21000751912), (2, 10500375956), (4, 5250187978), (7, 3000107416), (8, 2625093989), (14, 1500053708), (28, 750026854), (56, 375013427)]