21179127

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1579}}^1$

素因数の和:1862

約数の個数: 16

約数和(自身を含む): 30032640

約数和(自身を除く): 8853513

約数列:

[1, 3, 17, 51, 263, 789, 1579, 4471, 4737, 13413, 26843, 80529, 415277, 1245831, 7059709, 21179127]

約数ペア:

[(1, 21179127), (3, 7059709), (17, 1245831), (51, 415277), (263, 80529), (789, 26843), (1579, 13413), (4471, 4737)]