21748347

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{809}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 32853600

約数和(自身を除く): 11105253

約数列:

[1, 3, 9, 29, 87, 103, 261, 309, 809, 927, 2427, 2987, 7281, 8961, 23461, 26883, 70383, 83327, 211149, 249981, 749943, 2416483, 7249449, 21748347]

約数ペア:

[(1, 21748347), (3, 7249449), (9, 2416483), (29, 749943), (87, 249981), (103, 211149), (261, 83327), (309, 70383), (809, 26883), (927, 23461), (2427, 8961), (2987, 7281)]