21200508

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{967}}^1$

素因数の和:1016

約数の個数: 96

約数和(自身を含む): 65049600

約数和(自身を除く): 43849092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 29, 36, 42, 54, 58, 63, 84, 87, 108, 116, 126, 174, 189, 203, 252, 261, 348, 378, 406, 522, 609, 756, 783, 812, 967, 1044, 1218, 1566, 1827, 1934, 2436, 2901, 3132, 3654, 3868, 5481, 5802, 6769, 7308, 8703, 10962, 11604, 13538, 17406, 20307, 21924, 26109, 27076, 28043, 34812, 40614, 52218, 56086, 60921, 81228, 84129, 104436, 112172, 121842, 168258, 182763, 196301, 243684, 252387, 336516, 365526, 392602, 504774, 588903, 731052, 757161, 785204, 1009548, 1177806, 1514322, 1766709, 2355612, 3028644, 3533418, 5300127, 7066836, 10600254, 21200508]

約数ペア:

[(1, 21200508), (2, 10600254), (3, 7066836), (4, 5300127), (6, 3533418), (7, 3028644), (9, 2355612), (12, 1766709), (14, 1514322), (18, 1177806), (21, 1009548), (27, 785204), (28, 757161), (29, 731052), (36, 588903), (42, 504774), (54, 392602), (58, 365526), (63, 336516), (84, 252387), (87, 243684), (108, 196301), (116, 182763), (126, 168258), (174, 121842), (189, 112172), (203, 104436), (252, 84129), (261, 81228), (348, 60921), (378, 56086), (406, 52218), (522, 40614), (609, 34812), (756, 28043), (783, 27076), (812, 26109), (967, 21924), (1044, 20307), (1218, 17406), (1566, 13538), (1827, 11604), (1934, 10962), (2436, 8703), (2901, 7308), (3132, 6769), (3654, 5802), (3868, 5481)]