21905538

素因数分解:

$2^1\times 3^1\times {\mathrm{653}}^1\times {\mathrm{5591}}^1$

素因数の和:6249

約数の個数: 16

約数和(自身を含む): 43886016

約数和(自身を除く): 21980478

約数列:

[1, 2, 3, 6, 653, 1306, 1959, 3918, 5591, 11182, 16773, 33546, 3650923, 7301846, 10952769, 21905538]

約数ペア:

[(1, 21905538), (2, 10952769), (3, 7301846), (6, 3650923), (653, 33546), (1306, 16773), (1959, 11182), (3918, 5591)]