21000298488

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{12143}}^1$

素因数の和:12429

約数の個数: 128

約数和(自身を含む): 59247175680

約数和(自身を除く): 38246877192

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 138, 156, 184, 241, 276, 299, 312, 482, 552, 598, 723, 897, 964, 1196, 1446, 1794, 1928, 2392, 2892, 3133, 3588, 5543, 5784, 6266, 7176, 9399, 11086, 12143, 12532, 16629, 18798, 22172, 24286, 25064, 33258, 36429, 37596, 44344, 48572, 66516, 72059, 72858, 75192, 97144, 133032, 144118, 145716, 157859, 216177, 279289, 288236, 291432, 315718, 432354, 473577, 558578, 576472, 631436, 837867, 864708, 947154, 1117156, 1262872, 1675734, 1729416, 1894308, 2234312, 2926463, 3351468, 3630757, 3788616, 5852926, 6702936, 7261514, 8779389, 10892271, 11705852, 14523028, 17558778, 21784542, 23411704, 29046056, 35117556, 38044019, 43569084, 67308649, 70235112, 76088038, 87138168, 114132057, 134617298, 152176076, 201925947, 228264114, 269234596, 304352152, 403851894, 456528228, 538469192, 807703788, 875012437, 913056456, 1615407576, 1750024874, 2625037311, 3500049748, 5250074622, 7000099496, 10500149244, 21000298488]

約数ペア:

[(1, 21000298488), (2, 10500149244), (3, 7000099496), (4, 5250074622), (6, 3500049748), (8, 2625037311), (12, 1750024874), (13, 1615407576), (23, 913056456), (24, 875012437), (26, 807703788), (39, 538469192), (46, 456528228), (52, 403851894), (69, 304352152), (78, 269234596), (92, 228264114), (104, 201925947), (138, 152176076), (156, 134617298), (184, 114132057), (241, 87138168), (276, 76088038), (299, 70235112), (312, 67308649), (482, 43569084), (552, 38044019), (598, 35117556), (723, 29046056), (897, 23411704), (964, 21784542), (1196, 17558778), (1446, 14523028), (1794, 11705852), (1928, 10892271), (2392, 8779389), (2892, 7261514), (3133, 6702936), (3588, 5852926), (5543, 3788616), (5784, 3630757), (6266, 3351468), (7176, 2926463), (9399, 2234312), (11086, 1894308), (12143, 1729416), (12532, 1675734), (16629, 1262872), (18798, 1117156), (22172, 947154), (24286, 864708), (25064, 837867), (33258, 631436), (36429, 576472), (37596, 558578), (44344, 473577), (48572, 432354), (66516, 315718), (72059, 291432), (72858, 288236), (75192, 279289), (97144, 216177), (133032, 157859), (144118, 145716)]