21754035

素因数分解:

$3^3\times 5^1\times {\mathrm{161141}}^1$

素因数の和:161155

約数の個数: 16

約数和(自身を含む): 38674080

約数和(自身を除く): 16920045

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 161141, 483423, 805705, 1450269, 2417115, 4350807, 7251345, 21754035]

約数ペア:

[(1, 21754035), (3, 7251345), (5, 4350807), (9, 2417115), (15, 1450269), (27, 805705), (45, 483423), (135, 161141)]