21945956

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{2111}}^1$

素因数の和:2251

約数の個数: 24

約数和(自身を含む): 40449024

約数和(自身を除く): 18503068

約数列:

[1, 2, 4, 23, 46, 92, 113, 226, 452, 2111, 2599, 4222, 5198, 8444, 10396, 48553, 97106, 194212, 238543, 477086, 954172, 5486489, 10972978, 21945956]

約数ペア:

[(1, 21945956), (2, 10972978), (4, 5486489), (23, 954172), (46, 477086), (92, 238543), (113, 194212), (226, 97106), (452, 48553), (2111, 10396), (2599, 8444), (4222, 5198)]