21083505

素因数分解:

$3^1\times 5^1\times {\mathrm{761}}^1\times {\mathrm{1847}}^1$

素因数の和:2616

約数の個数: 16

約数和(自身を含む): 33796224

約数和(自身を除く): 12712719

約数列:

[1, 3, 5, 15, 761, 1847, 2283, 3805, 5541, 9235, 11415, 27705, 1405567, 4216701, 7027835, 21083505]

約数ペア:

[(1, 21083505), (3, 7027835), (5, 4216701), (15, 1405567), (761, 27705), (1847, 11415), (2283, 9235), (3805, 5541)]