21884764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{269}}^1$

素因数の和:370

約数の個数: 36

約数和(自身を含む): 42933240

約数和(自身を除く): 21048476

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 269, 473, 538, 946, 1076, 1849, 1892, 2959, 3698, 5918, 7396, 11567, 11836, 20339, 23134, 40678, 46268, 81356, 127237, 254474, 497381, 508948, 994762, 1989524, 5471191, 10942382, 21884764]

約数ペア:

[(1, 21884764), (2, 10942382), (4, 5471191), (11, 1989524), (22, 994762), (43, 508948), (44, 497381), (86, 254474), (172, 127237), (269, 81356), (473, 46268), (538, 40678), (946, 23134), (1076, 20339), (1849, 11836), (1892, 11567), (2959, 7396), (3698, 5918)]