21564216

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^1\times {\mathrm{5651}}^1$

素因数の和:5716

約数の個数: 48

約数和(自身を含む): 59515560

約数和(自身を除く): 37951344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 53, 72, 106, 159, 212, 318, 424, 477, 636, 954, 1272, 1908, 3816, 5651, 11302, 16953, 22604, 33906, 45208, 50859, 67812, 101718, 135624, 203436, 299503, 406872, 599006, 898509, 1198012, 1797018, 2396024, 2695527, 3594036, 5391054, 7188072, 10782108, 21564216]

約数ペア:

[(1, 21564216), (2, 10782108), (3, 7188072), (4, 5391054), (6, 3594036), (8, 2695527), (9, 2396024), (12, 1797018), (18, 1198012), (24, 898509), (36, 599006), (53, 406872), (72, 299503), (106, 203436), (159, 135624), (212, 101718), (318, 67812), (424, 50859), (477, 45208), (636, 33906), (954, 22604), (1272, 16953), (1908, 11302), (3816, 5651)]