21890016

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^2\times {\mathrm{263}}^1$

素因数の和:313

約数の個数: 108

約数和(自身を含む): 66378312

約数和(自身を除く): 44488296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 68, 72, 96, 102, 136, 144, 153, 204, 263, 272, 288, 289, 306, 408, 526, 544, 578, 612, 789, 816, 867, 1052, 1156, 1224, 1578, 1632, 1734, 2104, 2312, 2367, 2448, 2601, 3156, 3468, 4208, 4471, 4624, 4734, 4896, 5202, 6312, 6936, 8416, 8942, 9248, 9468, 10404, 12624, 13413, 13872, 17884, 18936, 20808, 25248, 26826, 27744, 35768, 37872, 40239, 41616, 53652, 71536, 75744, 76007, 80478, 83232, 107304, 143072, 152014, 160956, 214608, 228021, 304028, 321912, 429216, 456042, 608056, 643824, 684063, 912084, 1216112, 1287648, 1368126, 1824168, 2432224, 2736252, 3648336, 5472504, 7296672, 10945008, 21890016]

約数ペア:

[(1, 21890016), (2, 10945008), (3, 7296672), (4, 5472504), (6, 3648336), (8, 2736252), (9, 2432224), (12, 1824168), (16, 1368126), (17, 1287648), (18, 1216112), (24, 912084), (32, 684063), (34, 643824), (36, 608056), (48, 456042), (51, 429216), (68, 321912), (72, 304028), (96, 228021), (102, 214608), (136, 160956), (144, 152014), (153, 143072), (204, 107304), (263, 83232), (272, 80478), (288, 76007), (289, 75744), (306, 71536), (408, 53652), (526, 41616), (544, 40239), (578, 37872), (612, 35768), (789, 27744), (816, 26826), (867, 25248), (1052, 20808), (1156, 18936), (1224, 17884), (1578, 13872), (1632, 13413), (1734, 12624), (2104, 10404), (2312, 9468), (2367, 9248), (2448, 8942), (2601, 8416), (3156, 6936), (3468, 6312), (4208, 5202), (4471, 4896), (4624, 4734)]