21324195

素因数分解:

$3^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{827}}^1$

素因数の和:1032

約数の個数: 32

約数和(自身を含む): 38154240

約数和(自身を除く): 16830045

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 191, 573, 827, 955, 1719, 2481, 2865, 4135, 5157, 7443, 8595, 12405, 22329, 25785, 37215, 111645, 157957, 473871, 789785, 1421613, 2369355, 4264839, 7108065, 21324195]

約数ペア:

[(1, 21324195), (3, 7108065), (5, 4264839), (9, 2369355), (15, 1421613), (27, 789785), (45, 473871), (135, 157957), (191, 111645), (573, 37215), (827, 25785), (955, 22329), (1719, 12405), (2481, 8595), (2865, 7443), (4135, 5157)]