21078458

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{2447}}^1$

素因数の和:2581

約数の個数: 16

約数和(自身を含む): 32607360

約数和(自身を除く): 11528902

約数列:

[1, 2, 59, 73, 118, 146, 2447, 4307, 4894, 8614, 144373, 178631, 288746, 357262, 10539229, 21078458]

約数ペア:

[(1, 21078458), (2, 10539229), (59, 357262), (73, 288746), (118, 178631), (146, 144373), (2447, 8614), (4307, 4894)]