21404973

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{10007}}^1$

素因数の和:10064

約数の個数: 16

約数和(自身を含む): 30744576

約数和(自身を除く): 9339603

約数列:

[1, 3, 23, 31, 69, 93, 713, 2139, 10007, 30021, 230161, 310217, 690483, 930651, 7134991, 21404973]

約数ペア:

[(1, 21404973), (3, 7134991), (23, 930651), (31, 690483), (69, 310217), (93, 230161), (713, 30021), (2139, 10007)]