21169528

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{85361}}^1$

素因数の和:85398

約数の個数: 16

約数和(自身を含む): 40973760

約数和(自身を除く): 19804232

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 85361, 170722, 341444, 682888, 2646191, 5292382, 10584764, 21169528]

約数ペア:

[(1, 21169528), (2, 10584764), (4, 5292382), (8, 2646191), (31, 682888), (62, 341444), (124, 170722), (248, 85361)]