21293235

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5701}}^1$

素因数の和:5795

約数の個数: 24

約数和(自身を含む): 37359504

約数和(自身を除く): 16066269

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 5701, 17103, 28505, 51309, 85515, 256545, 473183, 1419549, 2365915, 4258647, 7097745, 21293235]

約数ペア:

[(1, 21293235), (3, 7097745), (5, 4258647), (9, 2365915), (15, 1419549), (45, 473183), (83, 256545), (249, 85515), (415, 51309), (747, 28505), (1245, 17103), (3735, 5701)]