21000901313

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{5209}}^1\times {\mathrm{10867}}^1$

素因数の和:16136

約数の個数: 16

約数和(自身を含む): 24460824960

約数和(自身を除く): 3459923647

約数列:

[1, 7, 53, 371, 5209, 10867, 36463, 76069, 276077, 575951, 1932539, 4031657, 56606203, 396243421, 3000128759, 21000901313]

約数ペア:

[(1, 21000901313), (7, 3000128759), (53, 396243421), (371, 56606203), (5209, 4031657), (10867, 1932539), (36463, 575951), (76069, 276077)]