21064037

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:748

約数の個数: 16

約数和(自身を含む): 23369472

約数和(自身を除く): 2305435

約数列:

[1, 17, 41, 47, 643, 697, 799, 1927, 10931, 26363, 30221, 32759, 448171, 513757, 1239061, 21064037]

約数ペア:

[(1, 21064037), (17, 1239061), (41, 513757), (47, 448171), (643, 32759), (697, 30221), (799, 26363), (1927, 10931)]