21162255

素因数分解:

$3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5903}}^1$

素因数の和:6150

約数の個数: 16

約数和(自身を含む): 34007040

約数和(自身を除く): 12844785

約数列:

[1, 3, 5, 15, 239, 717, 1195, 3585, 5903, 17709, 29515, 88545, 1410817, 4232451, 7054085, 21162255]

約数ペア:

[(1, 21162255), (3, 7054085), (5, 4232451), (15, 1410817), (239, 88545), (717, 29515), (1195, 17709), (3585, 5903)]