21754274

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8923}}^1$

素因数の和:9001

約数の個数: 16

約数和(自身を含む): 34696512

約数和(自身を除く): 12942238

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 8923, 17846, 205229, 410458, 472919, 945838, 10877137, 21754274]

約数ペア:

[(1, 21754274), (2, 10877137), (23, 945838), (46, 472919), (53, 410458), (106, 205229), (1219, 17846), (2438, 8923)]