21265849

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{373}}^1$

素因数の和:528

約数の個数: 16

約数和(自身を含む): 23912064

約数和(自身を除く): 2646215

約数列:

[1, 11, 71, 73, 373, 781, 803, 4103, 5183, 26483, 27229, 57013, 291313, 299519, 1933259, 21265849]

約数ペア:

[(1, 21265849), (11, 1933259), (71, 299519), (73, 291313), (373, 57013), (781, 27229), (803, 26483), (4103, 5183)]