21573013

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{9661}}^1$

素因数の和:9708

約数の個数: 16

約数和(自身を含む): 27826560

約数和(自身を除く): 6253547

約数列:

[1, 7, 11, 29, 77, 203, 319, 2233, 9661, 67627, 106271, 280169, 743897, 1961183, 3081859, 21573013]

約数ペア:

[(1, 21573013), (7, 3081859), (11, 1961183), (29, 743897), (77, 280169), (203, 106271), (319, 67627), (2233, 9661)]