21231327

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{9227}}^1$

素因数の和:9302

約数の個数: 16

約数和(自身を含む): 31006080

約数和(自身を除く): 9774753

約数列:

[1, 3, 13, 39, 59, 177, 767, 2301, 9227, 27681, 119951, 359853, 544393, 1633179, 7077109, 21231327]

約数ペア:

[(1, 21231327), (3, 7077109), (13, 1633179), (39, 544393), (59, 359853), (177, 119951), (767, 27681), (2301, 9227)]