21139776

素因数分解:

$2^6\times 3^2\times 7^3\times {\mathrm{107}}^1$

素因数の和:146

約数の個数: 168

約数和(自身を含む): 71323200

約数和(自身を除く): 50183424

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 64, 72, 84, 96, 98, 107, 112, 126, 144, 147, 168, 192, 196, 214, 224, 252, 288, 294, 321, 336, 343, 392, 428, 441, 448, 504, 576, 588, 642, 672, 686, 749, 784, 856, 882, 963, 1008, 1029, 1176, 1284, 1344, 1372, 1498, 1568, 1712, 1764, 1926, 2016, 2058, 2247, 2352, 2568, 2744, 2996, 3087, 3136, 3424, 3528, 3852, 4032, 4116, 4494, 4704, 5136, 5243, 5488, 5992, 6174, 6741, 6848, 7056, 7704, 8232, 8988, 9408, 10272, 10486, 10976, 11984, 12348, 13482, 14112, 15408, 15729, 16464, 17976, 20544, 20972, 21952, 23968, 24696, 26964, 28224, 30816, 31458, 32928, 35952, 36701, 41944, 47187, 47936, 49392, 53928, 61632, 62916, 65856, 71904, 73402, 83888, 94374, 98784, 107856, 110103, 125832, 143808, 146804, 167776, 188748, 197568, 215712, 220206, 251664, 293608, 330309, 335552, 377496, 431424, 440412, 503328, 587216, 660618, 754992, 880824, 1006656, 1174432, 1321236, 1509984, 1761648, 2348864, 2642472, 3019968, 3523296, 5284944, 7046592, 10569888, 21139776]

約数ペア:

[(1, 21139776), (2, 10569888), (3, 7046592), (4, 5284944), (6, 3523296), (7, 3019968), (8, 2642472), (9, 2348864), (12, 1761648), (14, 1509984), (16, 1321236), (18, 1174432), (21, 1006656), (24, 880824), (28, 754992), (32, 660618), (36, 587216), (42, 503328), (48, 440412), (49, 431424), (56, 377496), (63, 335552), (64, 330309), (72, 293608), (84, 251664), (96, 220206), (98, 215712), (107, 197568), (112, 188748), (126, 167776), (144, 146804), (147, 143808), (168, 125832), (192, 110103), (196, 107856), (214, 98784), (224, 94374), (252, 83888), (288, 73402), (294, 71904), (321, 65856), (336, 62916), (343, 61632), (392, 53928), (428, 49392), (441, 47936), (448, 47187), (504, 41944), (576, 36701), (588, 35952), (642, 32928), (672, 31458), (686, 30816), (749, 28224), (784, 26964), (856, 24696), (882, 23968), (963, 21952), (1008, 20972), (1029, 20544), (1176, 17976), (1284, 16464), (1344, 15729), (1372, 15408), (1498, 14112), (1568, 13482), (1712, 12348), (1764, 11984), (1926, 10976), (2016, 10486), (2058, 10272), (2247, 9408), (2352, 8988), (2568, 8232), (2744, 7704), (2996, 7056), (3087, 6848), (3136, 6741), (3424, 6174), (3528, 5992), (3852, 5488), (4032, 5243), (4116, 5136), (4494, 4704)]