21804585

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1283}}^1$

素因数の和:1405

約数の個数: 32

約数和(自身を含む): 38458368

約数和(自身を除く): 16653783

約数列:

[1, 3, 5, 11, 15, 33, 55, 103, 165, 309, 515, 1133, 1283, 1545, 3399, 3849, 5665, 6415, 14113, 16995, 19245, 42339, 70565, 132149, 211695, 396447, 660745, 1453639, 1982235, 4360917, 7268195, 21804585]

約数ペア:

[(1, 21804585), (3, 7268195), (5, 4360917), (11, 1982235), (15, 1453639), (33, 660745), (55, 396447), (103, 211695), (165, 132149), (309, 70565), (515, 42339), (1133, 19245), (1283, 16995), (1545, 14113), (3399, 6415), (3849, 5665)]