21000228197

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2129}}^1\times {\mathrm{44633}}^1$

素因数の和:46792

約数の個数: 16

約数和(自身を含む): 23957745840

約数和(自身を除く): 2957517643

約数列:

[1, 13, 17, 221, 2129, 27677, 36193, 44633, 470509, 580229, 758761, 9863893, 95023657, 1235307541, 1615402169, 21000228197]

約数ペア:

[(1, 21000228197), (13, 1615402169), (17, 1235307541), (221, 95023657), (2129, 9863893), (27677, 758761), (36193, 580229), (44633, 470509)]