21112036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1867}}^1$

素因数の和:2139

約数の個数: 24

約数和(自身を含む): 40483296

約数和(自身を除く): 19371260

約数列:

[1, 2, 4, 11, 22, 44, 257, 514, 1028, 1867, 2827, 3734, 5654, 7468, 11308, 20537, 41074, 82148, 479819, 959638, 1919276, 5278009, 10556018, 21112036]

約数ペア:

[(1, 21112036), (2, 10556018), (4, 5278009), (11, 1919276), (22, 959638), (44, 479819), (257, 82148), (514, 41074), (1028, 20537), (1867, 11308), (2827, 7468), (3734, 5654)]