21893657

素因数分解:

${\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:308

約数の個数: 16

約数和(自身を含む): 23396352

約数和(自身を除く): 1502695

約数列:

[1, 31, 67, 83, 127, 2077, 2573, 3937, 5561, 8509, 10541, 172391, 263779, 326771, 706247, 21893657]

約数ペア:

[(1, 21893657), (31, 706247), (67, 326771), (83, 263779), (127, 172391), (2077, 10541), (2573, 8509), (3937, 5561)]