21974849

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2069}}^1$

素因数の和:2144

約数の個数: 16

約数和(自身を含む): 25502400

約数和(自身を除く): 3527551

約数列:

[1, 13, 19, 43, 247, 559, 817, 2069, 10621, 26897, 39311, 88967, 511043, 1156571, 1690373, 21974849]

約数ペア:

[(1, 21974849), (13, 1690373), (19, 1156571), (43, 511043), (247, 88967), (559, 39311), (817, 26897), (2069, 10621)]