21005062718

素因数分解:

$2^1\times {\mathrm{101}}^2\times {\mathrm{863}}^1\times {\mathrm{1193}}^1$

素因数の和:2260

約数の個数: 24

約数和(自身を含む): 31886218944

約数和(自身を除く): 10881156226

約数列:

[1, 2, 101, 202, 863, 1193, 1726, 2386, 10201, 20402, 87163, 120493, 174326, 240986, 1029559, 2059118, 8803463, 12169793, 17606926, 24339586, 103985459, 207970918, 10502531359, 21005062718]

約数ペア:

[(1, 21005062718), (2, 10502531359), (101, 207970918), (202, 103985459), (863, 24339586), (1193, 17606926), (1726, 12169793), (2386, 8803463), (10201, 2059118), (20402, 1029559), (87163, 240986), (120493, 174326)]