21892189

素因数分解:

${\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 24508800

約数和(自身を除く): 2616611

約数列:

[1, 11, 73, 137, 199, 803, 1507, 2189, 10001, 14527, 27263, 110011, 159797, 299893, 1990199, 21892189]

約数ペア:

[(1, 21892189), (11, 1990199), (73, 299893), (137, 159797), (199, 110011), (803, 27263), (1507, 14527), (2189, 10001)]