21364244

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{1193}}^1$

素因数の和:1256

約数の個数: 36

約数和(自身を含む): 42241332

約数和(自身を除く): 20877088

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 121, 148, 242, 407, 484, 814, 1193, 1628, 2386, 4477, 4772, 8954, 13123, 17908, 26246, 44141, 52492, 88282, 144353, 176564, 288706, 485551, 577412, 971102, 1942204, 5341061, 10682122, 21364244]

約数ペア:

[(1, 21364244), (2, 10682122), (4, 5341061), (11, 1942204), (22, 971102), (37, 577412), (44, 485551), (74, 288706), (121, 176564), (148, 144353), (242, 88282), (407, 52492), (484, 44141), (814, 26246), (1193, 17908), (1628, 13123), (2386, 8954), (4477, 4772)]