21383859

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{44273}}^1$

素因数の和:44306

約数の個数: 16

約数和(自身を含む): 34002432

約数和(自身を除く): 12618573

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 44273, 132819, 309911, 929733, 1018279, 3054837, 7127953, 21383859]

約数ペア:

[(1, 21383859), (3, 7127953), (7, 3054837), (21, 1018279), (23, 929733), (69, 309911), (161, 132819), (483, 44273)]