21950280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:292

約数の個数: 192

約数和(自身を含む): 81544320

約数和(自身を除く): 59594040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 23, 24, 30, 33, 36, 40, 44, 45, 46, 55, 60, 66, 69, 72, 88, 90, 92, 99, 110, 115, 120, 132, 138, 165, 180, 184, 198, 207, 220, 230, 241, 253, 264, 276, 330, 345, 360, 396, 414, 440, 460, 482, 495, 506, 552, 660, 690, 723, 759, 792, 828, 920, 964, 990, 1012, 1035, 1205, 1265, 1320, 1380, 1446, 1518, 1656, 1928, 1980, 2024, 2070, 2169, 2277, 2410, 2530, 2651, 2760, 2892, 3036, 3615, 3795, 3960, 4140, 4338, 4554, 4820, 5060, 5302, 5543, 5784, 6072, 7230, 7590, 7953, 8280, 8676, 9108, 9640, 10120, 10604, 10845, 11086, 11385, 13255, 14460, 15180, 15906, 16629, 17352, 18216, 21208, 21690, 22172, 22770, 23859, 26510, 27715, 28920, 30360, 31812, 33258, 39765, 43380, 44344, 45540, 47718, 49887, 53020, 55430, 60973, 63624, 66516, 79530, 83145, 86760, 91080, 95436, 99774, 106040, 110860, 119295, 121946, 133032, 159060, 166290, 182919, 190872, 199548, 221720, 238590, 243892, 249435, 304865, 318120, 332580, 365838, 399096, 477180, 487784, 498870, 548757, 609730, 665160, 731676, 914595, 954360, 997740, 1097514, 1219460, 1463352, 1829190, 1995480, 2195028, 2438920, 2743785, 3658380, 4390056, 5487570, 7316760, 10975140, 21950280]

約数ペア:

[(1, 21950280), (2, 10975140), (3, 7316760), (4, 5487570), (5, 4390056), (6, 3658380), (8, 2743785), (9, 2438920), (10, 2195028), (11, 1995480), (12, 1829190), (15, 1463352), (18, 1219460), (20, 1097514), (22, 997740), (23, 954360), (24, 914595), (30, 731676), (33, 665160), (36, 609730), (40, 548757), (44, 498870), (45, 487784), (46, 477180), (55, 399096), (60, 365838), (66, 332580), (69, 318120), (72, 304865), (88, 249435), (90, 243892), (92, 238590), (99, 221720), (110, 199548), (115, 190872), (120, 182919), (132, 166290), (138, 159060), (165, 133032), (180, 121946), (184, 119295), (198, 110860), (207, 106040), (220, 99774), (230, 95436), (241, 91080), (253, 86760), (264, 83145), (276, 79530), (330, 66516), (345, 63624), (360, 60973), (396, 55430), (414, 53020), (440, 49887), (460, 47718), (482, 45540), (495, 44344), (506, 43380), (552, 39765), (660, 33258), (690, 31812), (723, 30360), (759, 28920), (792, 27715), (828, 26510), (920, 23859), (964, 22770), (990, 22172), (1012, 21690), (1035, 21208), (1205, 18216), (1265, 17352), (1320, 16629), (1380, 15906), (1446, 15180), (1518, 14460), (1656, 13255), (1928, 11385), (1980, 11086), (2024, 10845), (2070, 10604), (2169, 10120), (2277, 9640), (2410, 9108), (2530, 8676), (2651, 8280), (2760, 7953), (2892, 7590), (3036, 7230), (3615, 6072), (3795, 5784), (3960, 5543), (4140, 5302), (4338, 5060), (4554, 4820)]