21315020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{46337}}^1$

素因数の和:46369

約数の個数: 24

約数和(自身を含む): 46708704

約数和(自身を除く): 25393684

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 46337, 92674, 185348, 231685, 463370, 926740, 1065751, 2131502, 4263004, 5328755, 10657510, 21315020]

約数ペア:

[(1, 21315020), (2, 10657510), (4, 5328755), (5, 4263004), (10, 2131502), (20, 1065751), (23, 926740), (46, 463370), (92, 231685), (115, 185348), (230, 92674), (460, 46337)]