21118032

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:445

約数の個数: 120

約数和(自身を含む): 66011400

約数和(自身を除く): 44893368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 29, 36, 39, 48, 52, 58, 72, 78, 87, 104, 116, 117, 144, 156, 174, 208, 232, 234, 261, 312, 348, 377, 389, 464, 468, 522, 624, 696, 754, 778, 936, 1044, 1131, 1167, 1392, 1508, 1556, 1872, 2088, 2262, 2334, 3016, 3112, 3393, 3501, 4176, 4524, 4668, 5057, 6032, 6224, 6786, 7002, 9048, 9336, 10114, 11281, 13572, 14004, 15171, 18096, 18672, 20228, 22562, 27144, 28008, 30342, 33843, 40456, 45124, 45513, 54288, 56016, 60684, 67686, 80912, 90248, 91026, 101529, 121368, 135372, 146653, 180496, 182052, 203058, 242736, 270744, 293306, 364104, 406116, 439959, 541488, 586612, 728208, 812232, 879918, 1173224, 1319877, 1624464, 1759836, 2346448, 2639754, 3519672, 5279508, 7039344, 10559016, 21118032]

約数ペア:

[(1, 21118032), (2, 10559016), (3, 7039344), (4, 5279508), (6, 3519672), (8, 2639754), (9, 2346448), (12, 1759836), (13, 1624464), (16, 1319877), (18, 1173224), (24, 879918), (26, 812232), (29, 728208), (36, 586612), (39, 541488), (48, 439959), (52, 406116), (58, 364104), (72, 293306), (78, 270744), (87, 242736), (104, 203058), (116, 182052), (117, 180496), (144, 146653), (156, 135372), (174, 121368), (208, 101529), (232, 91026), (234, 90248), (261, 80912), (312, 67686), (348, 60684), (377, 56016), (389, 54288), (464, 45513), (468, 45124), (522, 40456), (624, 33843), (696, 30342), (754, 28008), (778, 27144), (936, 22562), (1044, 20228), (1131, 18672), (1167, 18096), (1392, 15171), (1508, 14004), (1556, 13572), (1872, 11281), (2088, 10114), (2262, 9336), (2334, 9048), (3016, 7002), (3112, 6786), (3393, 6224), (3501, 6032), (4176, 5057), (4524, 4668)]