21010695

素因数分解:

$3^1\times 5^1\times {\mathrm{677}}^1\times {\mathrm{2069}}^1$

素因数の和:2754

約数の個数: 16

約数和(自身を含む): 33683040

約数和(自身を除く): 12672345

約数列:

[1, 3, 5, 15, 677, 2031, 2069, 3385, 6207, 10155, 10345, 31035, 1400713, 4202139, 7003565, 21010695]

約数ペア:

[(1, 21010695), (3, 7003565), (5, 4202139), (15, 1400713), (677, 31035), (2031, 10345), (2069, 10155), (3385, 6207)]