21159248

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{120223}}^1$

素因数の和:120242

約数の個数: 20

約数和(自身を含む): 44723328

約数和(自身を除く): 23564080

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 120223, 240446, 480892, 961784, 1322453, 1923568, 2644906, 5289812, 10579624, 21159248]

約数ペア:

[(1, 21159248), (2, 10579624), (4, 5289812), (8, 2644906), (11, 1923568), (16, 1322453), (22, 961784), (44, 480892), (88, 240446), (176, 120223)]