21856543203

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{1481}}^1\times {\mathrm{447211}}^1$

素因数の和:448706

約数の個数: 16

約数和(自身を含む): 31812872832

約数和(自身を除く): 9956329629

約数列:

[1, 3, 11, 33, 1481, 4443, 16291, 48873, 447211, 1341633, 4919321, 14757963, 662319491, 1986958473, 7285514401, 21856543203]

約数ペア:

[(1, 21856543203), (3, 7285514401), (11, 1986958473), (33, 662319491), (1481, 14757963), (4443, 4919321), (16291, 1341633), (48873, 447211)]