21226604

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2927}}^1$

素因数の和:2982

約数の個数: 36

約数和(自身を含む): 44394336

約数和(自身を除く): 23167732

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 1036, 1813, 2927, 3626, 5854, 7252, 11708, 20489, 40978, 81956, 108299, 143423, 216598, 286846, 433196, 573692, 758093, 1516186, 3032372, 5306651, 10613302, 21226604]

約数ペア:

[(1, 21226604), (2, 10613302), (4, 5306651), (7, 3032372), (14, 1516186), (28, 758093), (37, 573692), (49, 433196), (74, 286846), (98, 216598), (148, 143423), (196, 108299), (259, 81956), (518, 40978), (1036, 20489), (1813, 11708), (2927, 7252), (3626, 5854)]