21432753

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 31799040

約数和(自身を除く): 10366287

約数列:

[1, 3, 9, 59, 177, 181, 223, 531, 543, 669, 1629, 2007, 10679, 13157, 32037, 39471, 40363, 96111, 118413, 121089, 363267, 2381417, 7144251, 21432753]

約数ペア:

[(1, 21432753), (3, 7144251), (9, 2381417), (59, 363267), (177, 121089), (181, 118413), (223, 96111), (531, 40363), (543, 39471), (669, 32037), (1629, 13157), (2007, 10679)]