21871248

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{547}}^1$

素因数の和:589

約数の個数: 120

約数和(自身を含む): 69718752

約数和(自身を除く): 47847504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 48, 49, 51, 56, 68, 84, 98, 102, 112, 119, 136, 147, 168, 196, 204, 238, 272, 294, 336, 357, 392, 408, 476, 547, 588, 714, 784, 816, 833, 952, 1094, 1176, 1428, 1641, 1666, 1904, 2188, 2352, 2499, 2856, 3282, 3332, 3829, 4376, 4998, 5712, 6564, 6664, 7658, 8752, 9299, 9996, 11487, 13128, 13328, 15316, 18598, 19992, 22974, 26256, 26803, 27897, 30632, 37196, 39984, 45948, 53606, 55794, 61264, 65093, 74392, 80409, 91896, 107212, 111588, 130186, 148784, 160818, 183792, 195279, 214424, 223176, 260372, 321636, 390558, 428848, 446352, 455651, 520744, 643272, 781116, 911302, 1041488, 1286544, 1366953, 1562232, 1822604, 2733906, 3124464, 3645208, 5467812, 7290416, 10935624, 21871248]

約数ペア:

[(1, 21871248), (2, 10935624), (3, 7290416), (4, 5467812), (6, 3645208), (7, 3124464), (8, 2733906), (12, 1822604), (14, 1562232), (16, 1366953), (17, 1286544), (21, 1041488), (24, 911302), (28, 781116), (34, 643272), (42, 520744), (48, 455651), (49, 446352), (51, 428848), (56, 390558), (68, 321636), (84, 260372), (98, 223176), (102, 214424), (112, 195279), (119, 183792), (136, 160818), (147, 148784), (168, 130186), (196, 111588), (204, 107212), (238, 91896), (272, 80409), (294, 74392), (336, 65093), (357, 61264), (392, 55794), (408, 53606), (476, 45948), (547, 39984), (588, 37196), (714, 30632), (784, 27897), (816, 26803), (833, 26256), (952, 22974), (1094, 19992), (1176, 18598), (1428, 15316), (1641, 13328), (1666, 13128), (1904, 11487), (2188, 9996), (2352, 9299), (2499, 8752), (2856, 7658), (3282, 6664), (3332, 6564), (3829, 5712), (4376, 4998)]