21076215

素因数分解:

$3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5879}}^1$

素因数の和:6126

約数の個数: 16

約数和(自身を含む): 33868800

約数和(自身を除く): 12792585

約数列:

[1, 3, 5, 15, 239, 717, 1195, 3585, 5879, 17637, 29395, 88185, 1405081, 4215243, 7025405, 21076215]

約数ペア:

[(1, 21076215), (3, 7025405), (5, 4215243), (15, 1405081), (239, 88185), (717, 29395), (1195, 17637), (3585, 5879)]