21131712

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{1747}}^1$

素因数の和:1775

約数の個数: 112

約数和(自身を含む): 71038720

約数和(自身を除く): 49907008

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 144, 168, 189, 192, 216, 224, 252, 288, 336, 378, 432, 448, 504, 576, 672, 756, 864, 1008, 1344, 1512, 1728, 1747, 2016, 3024, 3494, 4032, 5241, 6048, 6988, 10482, 12096, 12229, 13976, 15723, 20964, 24458, 27952, 31446, 36687, 41928, 47169, 48916, 55904, 62892, 73374, 83856, 94338, 97832, 110061, 111808, 125784, 146748, 167712, 188676, 195664, 220122, 251568, 293496, 330183, 335424, 377352, 391328, 440244, 503136, 586992, 660366, 754704, 782656, 880488, 1006272, 1173984, 1320732, 1509408, 1760976, 2347968, 2641464, 3018816, 3521952, 5282928, 7043904, 10565856, 21131712]

約数ペア:

[(1, 21131712), (2, 10565856), (3, 7043904), (4, 5282928), (6, 3521952), (7, 3018816), (8, 2641464), (9, 2347968), (12, 1760976), (14, 1509408), (16, 1320732), (18, 1173984), (21, 1006272), (24, 880488), (27, 782656), (28, 754704), (32, 660366), (36, 586992), (42, 503136), (48, 440244), (54, 391328), (56, 377352), (63, 335424), (64, 330183), (72, 293496), (84, 251568), (96, 220122), (108, 195664), (112, 188676), (126, 167712), (144, 146748), (168, 125784), (189, 111808), (192, 110061), (216, 97832), (224, 94338), (252, 83856), (288, 73374), (336, 62892), (378, 55904), (432, 48916), (448, 47169), (504, 41928), (576, 36687), (672, 31446), (756, 27952), (864, 24458), (1008, 20964), (1344, 15723), (1512, 13976), (1728, 12229), (1747, 12096), (2016, 10482), (3024, 6988), (3494, 6048), (4032, 5241)]