21949305

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29863}}^1$

素因数の和:29885

約数の個数: 24

約数和(自身を含む): 40853952

約数和(自身を除く): 18904647

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 29863, 89589, 149315, 209041, 447945, 627123, 1045205, 1463287, 3135615, 4389861, 7316435, 21949305]

約数ペア:

[(1, 21949305), (3, 7316435), (5, 4389861), (7, 3135615), (15, 1463287), (21, 1045205), (35, 627123), (49, 447945), (105, 209041), (147, 149315), (245, 89589), (735, 29863)]