21482505

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43399}}^1$

素因数の和:43421

約数の個数: 24

約数和(自身を含む): 40622400

約数和(自身を除く): 19139895

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 43399, 130197, 216995, 390591, 477389, 650985, 1432167, 1952955, 2386945, 4296501, 7160835, 21482505]

約数ペア:

[(1, 21482505), (3, 7160835), (5, 4296501), (9, 2386945), (11, 1952955), (15, 1432167), (33, 650985), (45, 477389), (55, 390591), (99, 216995), (165, 130197), (495, 43399)]