21776001

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{1973}}^1$

素因数の和:2272

約数の個数: 16

約数和(自身を含む): 31394496

約数和(自身を除く): 9618495

約数列:

[1, 3, 13, 39, 283, 849, 1973, 3679, 5919, 11037, 25649, 76947, 558359, 1675077, 7258667, 21776001]

約数ペア:

[(1, 21776001), (3, 7258667), (13, 1675077), (39, 558359), (283, 76947), (849, 25649), (1973, 11037), (3679, 5919)]