21417312

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:213

約数の個数: 144

約数和(自身を含む): 68085360

約数和(自身を除く): 46668048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 32, 42, 48, 49, 56, 58, 84, 87, 96, 98, 112, 116, 147, 157, 168, 174, 196, 203, 224, 232, 294, 314, 336, 348, 392, 406, 464, 471, 588, 609, 628, 672, 696, 784, 812, 928, 942, 1099, 1176, 1218, 1256, 1392, 1421, 1568, 1624, 1884, 2198, 2352, 2436, 2512, 2784, 2842, 3248, 3297, 3768, 4263, 4396, 4553, 4704, 4872, 5024, 5684, 6496, 6594, 7536, 7693, 8526, 8792, 9106, 9744, 11368, 13188, 13659, 15072, 15386, 17052, 17584, 18212, 19488, 22736, 23079, 26376, 27318, 30772, 31871, 34104, 35168, 36424, 45472, 46158, 52752, 54636, 61544, 63742, 68208, 72848, 92316, 95613, 105504, 109272, 123088, 127484, 136416, 145696, 184632, 191226, 218544, 223097, 246176, 254968, 369264, 382452, 437088, 446194, 509936, 669291, 738528, 764904, 892388, 1019872, 1338582, 1529808, 1784776, 2677164, 3059616, 3569552, 5354328, 7139104, 10708656, 21417312]

約数ペア:

[(1, 21417312), (2, 10708656), (3, 7139104), (4, 5354328), (6, 3569552), (7, 3059616), (8, 2677164), (12, 1784776), (14, 1529808), (16, 1338582), (21, 1019872), (24, 892388), (28, 764904), (29, 738528), (32, 669291), (42, 509936), (48, 446194), (49, 437088), (56, 382452), (58, 369264), (84, 254968), (87, 246176), (96, 223097), (98, 218544), (112, 191226), (116, 184632), (147, 145696), (157, 136416), (168, 127484), (174, 123088), (196, 109272), (203, 105504), (224, 95613), (232, 92316), (294, 72848), (314, 68208), (336, 63742), (348, 61544), (392, 54636), (406, 52752), (464, 46158), (471, 45472), (588, 36424), (609, 35168), (628, 34104), (672, 31871), (696, 30772), (784, 27318), (812, 26376), (928, 23079), (942, 22736), (1099, 19488), (1176, 18212), (1218, 17584), (1256, 17052), (1392, 15386), (1421, 15072), (1568, 13659), (1624, 13188), (1884, 11368), (2198, 9744), (2352, 9106), (2436, 8792), (2512, 8526), (2784, 7693), (2842, 7536), (3248, 6594), (3297, 6496), (3768, 5684), (4263, 5024), (4396, 4872), (4553, 4704)]