21909777

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{10243}}^1$

素因数の和:10300

約数の個数: 16

約数和(自身を含む): 31469568

約数和(自身を除く): 9559791

約数列:

[1, 3, 23, 31, 69, 93, 713, 2139, 10243, 30729, 235589, 317533, 706767, 952599, 7303259, 21909777]

約数ペア:

[(1, 21909777), (3, 7303259), (23, 952599), (31, 706767), (69, 317533), (93, 235589), (713, 30729), (2139, 10243)]