21048993

素因数分解:

$3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1459}}^1$

素因数の和:1701

約数の個数: 24

約数和(自身を含む): 34923200

約数和(自身を除く): 13874207

約数列:

[1, 3, 7, 9, 21, 63, 229, 687, 1459, 1603, 2061, 4377, 4809, 10213, 13131, 14427, 30639, 91917, 334111, 1002333, 2338777, 3006999, 7016331, 21048993]

約数ペア:

[(1, 21048993), (3, 7016331), (7, 3006999), (9, 2338777), (21, 1002333), (63, 334111), (229, 91917), (687, 30639), (1459, 14427), (1603, 13131), (2061, 10213), (4377, 4809)]