21000391761

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{8831}}^1\times {\mathrm{11831}}^1$

素因数の和:20732

約数の個数: 16

約数和(自身を含む): 28424060928

約数和(自身を除く): 7423669167

約数列:

[1, 3, 67, 201, 8831, 11831, 26493, 35493, 591677, 792677, 1775031, 2378031, 104479561, 313438683, 7000130587, 21000391761]

約数ペア:

[(1, 21000391761), (3, 7000130587), (67, 313438683), (201, 104479561), (8831, 2378031), (11831, 1775031), (26493, 792677), (35493, 591677)]