21863337

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1\times {\mathrm{457}}^1$

素因数の和:928

約数の個数: 16

約数和(自身を含む): 30074112

約数和(自身を除く): 8210775

約数列:

[1, 3, 37, 111, 431, 457, 1293, 1371, 15947, 16909, 47841, 50727, 196967, 590901, 7287779, 21863337]

約数ペア:

[(1, 21863337), (3, 7287779), (37, 590901), (111, 196967), (431, 50727), (457, 47841), (1293, 16909), (1371, 15947)]