21066256

素因数分解:

$2^4\times {\mathrm{587}}^1\times {\mathrm{2243}}^1$

素因数の和:2838

約数の個数: 20

約数和(自身を含む): 40903632

約数和(自身を除く): 19837376

約数列:

[1, 2, 4, 8, 16, 587, 1174, 2243, 2348, 4486, 4696, 8972, 9392, 17944, 35888, 1316641, 2633282, 5266564, 10533128, 21066256]

約数ペア:

[(1, 21066256), (2, 10533128), (4, 5266564), (8, 2633282), (16, 1316641), (587, 35888), (1174, 17944), (2243, 9392), (2348, 8972), (4486, 4696)]