21480045

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{2707}}^1$

素因数の和:2761

約数の個数: 24

約数和(自身を含む): 35940576

約数和(自身を除く): 14460531

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 529, 1587, 2645, 2707, 7935, 8121, 13535, 40605, 62261, 186783, 311305, 933915, 1432003, 4296009, 7160015, 21480045]

約数ペア:

[(1, 21480045), (3, 7160015), (5, 4296009), (15, 1432003), (23, 933915), (69, 311305), (115, 186783), (345, 62261), (529, 40605), (1587, 13535), (2645, 8121), (2707, 7935)]