21287002

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{6163}}^1$

素因数の和:6333

約数の個数: 16

約数和(自身を含む): 35060832

約数和(自身を除く): 13773830

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 6163, 12326, 67793, 135586, 967591, 1935182, 10643501, 21287002]

約数ペア:

[(1, 21287002), (2, 10643501), (11, 1935182), (22, 967591), (157, 135586), (314, 67793), (1727, 12326), (3454, 6163)]