21056615

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{647}}^1$

素因数の和:958

約数の個数: 16

約数和(自身を含む): 26500608

約数和(自身を除く): 5443993

約数列:

[1, 5, 23, 115, 283, 647, 1415, 3235, 6509, 14881, 32545, 74405, 183101, 915505, 4211323, 21056615]

約数ペア:

[(1, 21056615), (5, 4211323), (23, 915505), (115, 183101), (283, 74405), (647, 32545), (1415, 14881), (3235, 6509)]