21000643232

素因数分解:

$2^5\times {\mathrm{656270101}}^1$

素因数の和:656270111

約数の個数: 12

約数和(自身を含む): 41345016426

約数和(自身を除く): 20344373194

約数列:

[1, 2, 4, 8, 16, 32, 656270101, 1312540202, 2625080404, 5250160808, 10500321616, 21000643232]

約数ペア:

[(1, 21000643232), (2, 10500321616), (4, 5250160808), (8, 2625080404), (16, 1312540202), (32, 656270101)]