21544227

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 31868928

約数和(自身を除く): 10324701

約数列:

[1, 3, 9, 83, 151, 191, 249, 453, 573, 747, 1359, 1719, 12533, 15853, 28841, 37599, 47559, 86523, 112797, 142677, 259569, 2393803, 7181409, 21544227]

約数ペア:

[(1, 21544227), (3, 7181409), (9, 2393803), (83, 259569), (151, 142677), (191, 112797), (249, 86523), (453, 47559), (573, 37599), (747, 28841), (1359, 15853), (1719, 12533)]