21559644

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 57198960

約数和(自身を除く): 35639316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 107, 116, 174, 193, 214, 261, 321, 348, 386, 428, 522, 579, 642, 772, 963, 1044, 1158, 1284, 1737, 1926, 2316, 3103, 3474, 3852, 5597, 6206, 6948, 9309, 11194, 12412, 16791, 18618, 20651, 22388, 27927, 33582, 37236, 41302, 50373, 55854, 61953, 67164, 82604, 100746, 111708, 123906, 185859, 201492, 247812, 371718, 598879, 743436, 1197758, 1796637, 2395516, 3593274, 5389911, 7186548, 10779822, 21559644]

約数ペア:

[(1, 21559644), (2, 10779822), (3, 7186548), (4, 5389911), (6, 3593274), (9, 2395516), (12, 1796637), (18, 1197758), (29, 743436), (36, 598879), (58, 371718), (87, 247812), (107, 201492), (116, 185859), (174, 123906), (193, 111708), (214, 100746), (261, 82604), (321, 67164), (348, 61953), (386, 55854), (428, 50373), (522, 41302), (579, 37236), (642, 33582), (772, 27927), (963, 22388), (1044, 20651), (1158, 18618), (1284, 16791), (1737, 12412), (1926, 11194), (2316, 9309), (3103, 6948), (3474, 6206), (3852, 5597)]