21998361

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{95231}}^1$

素因数の和:95252

約数の個数: 16

約数和(自身を含む): 36569088

約数和(自身を除く): 14570727

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 95231, 285693, 666617, 1047541, 1999851, 3142623, 7332787, 21998361]

約数ペア:

[(1, 21998361), (3, 7332787), (7, 3142623), (11, 1999851), (21, 1047541), (33, 666617), (77, 285693), (231, 95231)]