21198801

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{23633}}^1$

素因数の和:23672

約数の個数: 16

約数和(自身を含む): 31764096

約数和(自身を除く): 10565295

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 23633, 70899, 307229, 543559, 921687, 1630677, 7066267, 21198801]

約数ペア:

[(1, 21198801), (3, 7066267), (13, 1630677), (23, 921687), (39, 543559), (69, 307229), (299, 70899), (897, 23633)]