21984297

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{6779}}^1$

素因数の和:6852

約数の個数: 16

約数和(自身を含む): 31242240

約数和(自身を除く): 9257943

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 6779, 20337, 155917, 318613, 467751, 955839, 7328099, 21984297]

約数ペア:

[(1, 21984297), (3, 7328099), (23, 955839), (47, 467751), (69, 318613), (141, 155917), (1081, 20337), (3243, 6779)]