21195152

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{120427}}^1$

素因数の和:120446

約数の個数: 20

約数和(自身を含む): 44799216

約数和(自身を除く): 23604064

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 120427, 240854, 481708, 963416, 1324697, 1926832, 2649394, 5298788, 10597576, 21195152]

約数ペア:

[(1, 21195152), (2, 10597576), (4, 5298788), (8, 2649394), (11, 1926832), (16, 1324697), (22, 963416), (44, 481708), (88, 240854), (176, 120427)]