21804897

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 33281280

約数和(自身を除く): 11476383

約数列:

[1, 3, 17, 23, 29, 51, 69, 87, 391, 493, 641, 667, 1173, 1479, 1923, 2001, 10897, 11339, 14743, 18589, 32691, 34017, 44229, 55767, 250631, 316013, 427547, 751893, 948039, 1282641, 7268299, 21804897]

約数ペア:

[(1, 21804897), (3, 7268299), (17, 1282641), (23, 948039), (29, 751893), (51, 427547), (69, 316013), (87, 250631), (391, 55767), (493, 44229), (641, 34017), (667, 32691), (1173, 18589), (1479, 14743), (1923, 11339), (2001, 10897)]