21978432

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 224

約数和(自身を含む): 78028800

約数和(自身を除く): 56050368

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 27, 28, 32, 36, 42, 46, 48, 54, 56, 63, 64, 69, 72, 79, 84, 92, 96, 108, 112, 126, 138, 144, 158, 161, 168, 184, 189, 192, 207, 216, 224, 237, 252, 276, 288, 316, 322, 336, 368, 378, 414, 432, 448, 474, 483, 504, 552, 553, 576, 621, 632, 644, 672, 711, 736, 756, 828, 864, 948, 966, 1008, 1104, 1106, 1242, 1264, 1288, 1344, 1422, 1449, 1472, 1512, 1656, 1659, 1728, 1817, 1896, 1932, 2016, 2133, 2208, 2212, 2484, 2528, 2576, 2844, 2898, 3024, 3312, 3318, 3634, 3792, 3864, 4032, 4266, 4347, 4416, 4424, 4968, 4977, 5056, 5152, 5451, 5688, 5796, 6048, 6624, 6636, 7268, 7584, 7728, 8532, 8694, 8848, 9936, 9954, 10304, 10902, 11376, 11592, 12096, 12719, 13248, 13272, 14536, 14931, 15168, 15456, 16353, 17064, 17388, 17696, 19872, 19908, 21804, 22752, 23184, 25438, 26544, 29072, 29862, 30912, 32706, 34128, 34776, 35392, 38157, 39744, 39816, 43608, 45504, 46368, 49059, 50876, 53088, 58144, 59724, 65412, 68256, 69552, 76314, 79632, 87216, 92736, 98118, 101752, 106176, 114471, 116288, 119448, 130824, 136512, 139104, 152628, 159264, 174432, 196236, 203504, 228942, 238896, 261648, 278208, 305256, 318528, 343413, 348864, 392472, 407008, 457884, 477792, 523296, 610512, 686826, 784944, 814016, 915768, 955584, 1046592, 1221024, 1373652, 1569888, 1831536, 2442048, 2747304, 3139776, 3663072, 5494608, 7326144, 10989216, 21978432]

約数ペア:

[(1, 21978432), (2, 10989216), (3, 7326144), (4, 5494608), (6, 3663072), (7, 3139776), (8, 2747304), (9, 2442048), (12, 1831536), (14, 1569888), (16, 1373652), (18, 1221024), (21, 1046592), (23, 955584), (24, 915768), (27, 814016), (28, 784944), (32, 686826), (36, 610512), (42, 523296), (46, 477792), (48, 457884), (54, 407008), (56, 392472), (63, 348864), (64, 343413), (69, 318528), (72, 305256), (79, 278208), (84, 261648), (92, 238896), (96, 228942), (108, 203504), (112, 196236), (126, 174432), (138, 159264), (144, 152628), (158, 139104), (161, 136512), (168, 130824), (184, 119448), (189, 116288), (192, 114471), (207, 106176), (216, 101752), (224, 98118), (237, 92736), (252, 87216), (276, 79632), (288, 76314), (316, 69552), (322, 68256), (336, 65412), (368, 59724), (378, 58144), (414, 53088), (432, 50876), (448, 49059), (474, 46368), (483, 45504), (504, 43608), (552, 39816), (553, 39744), (576, 38157), (621, 35392), (632, 34776), (644, 34128), (672, 32706), (711, 30912), (736, 29862), (756, 29072), (828, 26544), (864, 25438), (948, 23184), (966, 22752), (1008, 21804), (1104, 19908), (1106, 19872), (1242, 17696), (1264, 17388), (1288, 17064), (1344, 16353), (1422, 15456), (1449, 15168), (1472, 14931), (1512, 14536), (1656, 13272), (1659, 13248), (1728, 12719), (1817, 12096), (1896, 11592), (1932, 11376), (2016, 10902), (2133, 10304), (2208, 9954), (2212, 9936), (2484, 8848), (2528, 8694), (2576, 8532), (2844, 7728), (2898, 7584), (3024, 7268), (3312, 6636), (3318, 6624), (3634, 6048), (3792, 5796), (3864, 5688), (4032, 5451), (4266, 5152), (4347, 5056), (4416, 4977), (4424, 4968)]