21845235

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 14650125

約数列:

[1, 3, 5, 15, 31, 93, 109, 155, 327, 431, 465, 545, 1293, 1635, 2155, 3379, 6465, 10137, 13361, 16895, 40083, 46979, 50685, 66805, 140937, 200415, 234895, 704685, 1456349, 4369047, 7281745, 21845235]

約数ペア:

[(1, 21845235), (3, 7281745), (5, 4369047), (15, 1456349), (31, 704685), (93, 234895), (109, 200415), (155, 140937), (327, 66805), (431, 50685), (465, 46979), (545, 40083), (1293, 16895), (1635, 13361), (2155, 10137), (3379, 6465)]