21968930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{129229}}^1$

素因数の和:129253

約数の個数: 16

約数和(自身を含む): 41870520

約数和(自身を除く): 19901590

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 129229, 258458, 646145, 1292290, 2196893, 4393786, 10984465, 21968930]

約数ペア:

[(1, 21968930), (2, 10984465), (5, 4393786), (10, 2196893), (17, 1292290), (34, 646145), (85, 258458), (170, 129229)]