21055104

素因数分解:

$2^7\times 3^2\times 7^2\times {\mathrm{373}}^1$

素因数の和:407

約数の個数: 144

約数和(自身を含む): 70669170

約数和(自身を除く): 49614066

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, 112, 126, 128, 144, 147, 168, 192, 196, 224, 252, 288, 294, 336, 373, 384, 392, 441, 448, 504, 576, 588, 672, 746, 784, 882, 896, 1008, 1119, 1152, 1176, 1344, 1492, 1568, 1764, 2016, 2238, 2352, 2611, 2688, 2984, 3136, 3357, 3528, 4032, 4476, 4704, 5222, 5968, 6272, 6714, 7056, 7833, 8064, 8952, 9408, 10444, 11936, 13428, 14112, 15666, 17904, 18277, 18816, 20888, 23499, 23872, 26856, 28224, 31332, 35808, 36554, 41776, 46998, 47744, 53712, 54831, 56448, 62664, 71616, 73108, 83552, 93996, 107424, 109662, 125328, 143232, 146216, 164493, 167104, 187992, 214848, 219324, 250656, 292432, 328986, 334208, 375984, 429696, 438648, 501312, 584864, 657972, 751968, 877296, 1002624, 1169728, 1315944, 1503936, 1754592, 2339456, 2631888, 3007872, 3509184, 5263776, 7018368, 10527552, 21055104]

約数ペア:

[(1, 21055104), (2, 10527552), (3, 7018368), (4, 5263776), (6, 3509184), (7, 3007872), (8, 2631888), (9, 2339456), (12, 1754592), (14, 1503936), (16, 1315944), (18, 1169728), (21, 1002624), (24, 877296), (28, 751968), (32, 657972), (36, 584864), (42, 501312), (48, 438648), (49, 429696), (56, 375984), (63, 334208), (64, 328986), (72, 292432), (84, 250656), (96, 219324), (98, 214848), (112, 187992), (126, 167104), (128, 164493), (144, 146216), (147, 143232), (168, 125328), (192, 109662), (196, 107424), (224, 93996), (252, 83552), (288, 73108), (294, 71616), (336, 62664), (373, 56448), (384, 54831), (392, 53712), (441, 47744), (448, 46998), (504, 41776), (576, 36554), (588, 35808), (672, 31332), (746, 28224), (784, 26856), (882, 23872), (896, 23499), (1008, 20888), (1119, 18816), (1152, 18277), (1176, 17904), (1344, 15666), (1492, 14112), (1568, 13428), (1764, 11936), (2016, 10444), (2238, 9408), (2352, 8952), (2611, 8064), (2688, 7833), (2984, 7056), (3136, 6714), (3357, 6272), (3528, 5968), (4032, 5222), (4476, 4704)]