21007935

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35911}}^1$

素因数の和:35935

約数の個数: 24

約数和(自身を含む): 39215904

約数和(自身を除く): 18207969

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 35911, 107733, 179555, 323199, 466843, 538665, 1400529, 1615995, 2334215, 4201587, 7002645, 21007935]

約数ペア:

[(1, 21007935), (3, 7002645), (5, 4201587), (9, 2334215), (13, 1615995), (15, 1400529), (39, 538665), (45, 466843), (65, 323199), (117, 179555), (195, 107733), (585, 35911)]