21887853

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{11941}}^1$

素因数の和:12004

約数の個数: 16

約数和(自身を含む): 32100096

約数和(自身を除く): 10212243

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 11941, 35823, 155233, 465699, 561227, 1683681, 7295951, 21887853]

約数ペア:

[(1, 21887853), (3, 7295951), (13, 1683681), (39, 561227), (47, 465699), (141, 155233), (611, 35823), (1833, 11941)]