21912267

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{10601}}^1$

素因数の和:10670

約数の個数: 16

約数和(自身を含む): 32060448

約数和(自身を除く): 10148181

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 10601, 31803, 137813, 413439, 561853, 1685559, 7304089, 21912267]

約数ペア:

[(1, 21912267), (3, 7304089), (13, 1685559), (39, 561853), (53, 413439), (159, 137813), (689, 31803), (2067, 10601)]