21192135

素因数分解:

$3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2239}}^1$

素因数の和:2878

約数の個数: 16

約数和(自身を含む): 33976320

約数和(自身を除く): 12784185

約数列:

[1, 3, 5, 15, 631, 1893, 2239, 3155, 6717, 9465, 11195, 33585, 1412809, 4238427, 7064045, 21192135]

約数ペア:

[(1, 21192135), (3, 7064045), (5, 4238427), (15, 1412809), (631, 33585), (1893, 11195), (2239, 9465), (3155, 6717)]