21837231

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10979}}^1$

素因数の和:11015

約数の個数: 24

約数和(自身を含む): 35970480

約数和(自身を除く): 14133249

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 10979, 32937, 98811, 142727, 186643, 428181, 559929, 1284543, 1679787, 2426359, 7279077, 21837231]

約数ペア:

[(1, 21837231), (3, 7279077), (9, 2426359), (13, 1679787), (17, 1284543), (39, 559929), (51, 428181), (117, 186643), (153, 142727), (221, 98811), (663, 32937), (1989, 10979)]