21569553

素因数分解:

$3^2\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 31868928

約数和(自身を除く): 10299375

約数列:

[1, 3, 9, 113, 127, 167, 339, 381, 501, 1017, 1143, 1503, 14351, 18871, 21209, 43053, 56613, 63627, 129159, 169839, 190881, 2396617, 7189851, 21569553]

約数ペア:

[(1, 21569553), (3, 7189851), (9, 2396617), (113, 190881), (127, 169839), (167, 129159), (339, 63627), (381, 56613), (501, 43053), (1017, 21209), (1143, 18871), (1503, 14351)]