21330675

素因数分解:

$3^3\times 5^2\times {\mathrm{31601}}^1$

素因数の和:31620

約数の個数: 24

約数和(自身を含む): 39186480

約数和(自身を除く): 17855805

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 31601, 94803, 158005, 284409, 474015, 790025, 853227, 1422045, 2370075, 4266135, 7110225, 21330675]

約数ペア:

[(1, 21330675), (3, 7110225), (5, 4266135), (9, 2370075), (15, 1422045), (25, 853227), (27, 790025), (45, 474015), (75, 284409), (135, 158005), (225, 94803), (675, 31601)]