21466155

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{84181}}^1$

素因数の和:84206

約数の個数: 16

約数和(自身を含む): 36366624

約数和(自身を除く): 14900469

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 84181, 252543, 420905, 1262715, 1431077, 4293231, 7155385, 21466155]

約数ペア:

[(1, 21466155), (3, 7155385), (5, 4293231), (15, 1431077), (17, 1262715), (51, 420905), (85, 252543), (255, 84181)]