21737691

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5527}}^1$

素因数の和:5575

約数の個数: 24

約数和(自身を含む): 34494720

約数和(自身を除く): 12757029

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 5527, 16581, 49743, 105013, 127121, 315039, 381363, 945117, 1144089, 2415299, 7245897, 21737691]

約数ペア:

[(1, 21737691), (3, 7245897), (9, 2415299), (19, 1144089), (23, 945117), (57, 381363), (69, 315039), (171, 127121), (207, 105013), (437, 49743), (1311, 16581), (3933, 5527)]