21172420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{46027}}^1$

素因数の和:46059

約数の個数: 24

約数和(自身を含む): 46396224

約数和(自身を除く): 25223804

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 46027, 92054, 184108, 230135, 460270, 920540, 1058621, 2117242, 4234484, 5293105, 10586210, 21172420]

約数ペア:

[(1, 21172420), (2, 10586210), (4, 5293105), (5, 4234484), (10, 2117242), (20, 1058621), (23, 920540), (46, 460270), (92, 230135), (115, 184108), (230, 92054), (460, 46027)]