21001354

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{5333}}^1$

素因数の和:5525

約数の個数: 16

約数和(自身を含む): 34564320

約数和(自身を除く): 13562966

約数列:

[1, 2, 11, 22, 179, 358, 1969, 3938, 5333, 10666, 58663, 117326, 954607, 1909214, 10500677, 21001354]

約数ペア:

[(1, 21001354), (2, 10500677), (11, 1909214), (22, 954607), (179, 117326), (358, 58663), (1969, 10666), (3938, 5333)]