21991824

素因数分解:

$2^4\times 3^4\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:330

約数の個数: 100

約数和(自身を含む): 64817280

約数和(自身を除く): 42825456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 71, 72, 81, 108, 142, 144, 162, 213, 216, 239, 284, 324, 426, 432, 478, 568, 639, 648, 717, 852, 956, 1136, 1278, 1296, 1434, 1704, 1912, 1917, 2151, 2556, 2868, 3408, 3824, 3834, 4302, 5112, 5736, 5751, 6453, 7668, 8604, 10224, 11472, 11502, 12906, 15336, 16969, 17208, 19359, 23004, 25812, 30672, 33938, 34416, 38718, 46008, 50907, 51624, 67876, 77436, 92016, 101814, 103248, 135752, 152721, 154872, 203628, 271504, 305442, 309744, 407256, 458163, 610884, 814512, 916326, 1221768, 1374489, 1832652, 2443536, 2748978, 3665304, 5497956, 7330608, 10995912, 21991824]

約数ペア:

[(1, 21991824), (2, 10995912), (3, 7330608), (4, 5497956), (6, 3665304), (8, 2748978), (9, 2443536), (12, 1832652), (16, 1374489), (18, 1221768), (24, 916326), (27, 814512), (36, 610884), (48, 458163), (54, 407256), (71, 309744), (72, 305442), (81, 271504), (108, 203628), (142, 154872), (144, 152721), (162, 135752), (213, 103248), (216, 101814), (239, 92016), (284, 77436), (324, 67876), (426, 51624), (432, 50907), (478, 46008), (568, 38718), (639, 34416), (648, 33938), (717, 30672), (852, 25812), (956, 23004), (1136, 19359), (1278, 17208), (1296, 16969), (1434, 15336), (1704, 12906), (1912, 11502), (1917, 11472), (2151, 10224), (2556, 8604), (2868, 7668), (3408, 6453), (3824, 5751), (3834, 5736), (4302, 5112)]