21194157

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{4129}}^1$

素因数の和:4220

約数の個数: 16

約数和(自身を含む): 29736000

約数和(自身を除く): 8541843

約数列:

[1, 3, 29, 59, 87, 177, 1711, 4129, 5133, 12387, 119741, 243611, 359223, 730833, 7064719, 21194157]

約数ペア:

[(1, 21194157), (3, 7064719), (29, 730833), (59, 359223), (87, 243611), (177, 119741), (1711, 12387), (4129, 5133)]