21167293545

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2208377}}^1$

素因数の和:2208462

約数の個数: 32

約数和(自身を含む): 38160771840

約数和(自身を除く): 16993478295

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1917, 3195, 9585, 2208377, 6625131, 11041885, 19875393, 33125655, 59626179, 99376965, 156794767, 298130895, 470384301, 783973835, 1411152903, 2351921505, 4233458709, 7055764515, 21167293545]

約数ペア:

[(1, 21167293545), (3, 7055764515), (5, 4233458709), (9, 2351921505), (15, 1411152903), (27, 783973835), (45, 470384301), (71, 298130895), (135, 156794767), (213, 99376965), (355, 59626179), (639, 33125655), (1065, 19875393), (1917, 11041885), (3195, 6625131), (9585, 2208377)]