21974784

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 65931264

約数和(自身を除く): 43956480

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 71, 78, 93, 96, 104, 124, 128, 142, 156, 186, 192, 208, 213, 248, 256, 284, 312, 372, 384, 403, 416, 426, 496, 568, 624, 744, 768, 806, 832, 852, 923, 992, 1136, 1209, 1248, 1488, 1612, 1664, 1704, 1846, 1984, 2201, 2272, 2418, 2496, 2769, 2976, 3224, 3328, 3408, 3692, 3968, 4402, 4544, 4836, 4992, 5538, 5952, 6448, 6603, 6816, 7384, 7936, 8804, 9088, 9672, 9984, 11076, 11904, 12896, 13206, 13632, 14768, 17608, 18176, 19344, 22152, 23808, 25792, 26412, 27264, 28613, 29536, 35216, 38688, 44304, 51584, 52824, 54528, 57226, 59072, 70432, 77376, 85839, 88608, 103168, 105648, 114452, 118144, 140864, 154752, 171678, 177216, 211296, 228904, 236288, 281728, 309504, 343356, 354432, 422592, 457808, 563456, 686712, 708864, 845184, 915616, 1373424, 1690368, 1831232, 2746848, 3662464, 5493696, 7324928, 10987392, 21974784]

約数ペア:

[(1, 21974784), (2, 10987392), (3, 7324928), (4, 5493696), (6, 3662464), (8, 2746848), (12, 1831232), (13, 1690368), (16, 1373424), (24, 915616), (26, 845184), (31, 708864), (32, 686712), (39, 563456), (48, 457808), (52, 422592), (62, 354432), (64, 343356), (71, 309504), (78, 281728), (93, 236288), (96, 228904), (104, 211296), (124, 177216), (128, 171678), (142, 154752), (156, 140864), (186, 118144), (192, 114452), (208, 105648), (213, 103168), (248, 88608), (256, 85839), (284, 77376), (312, 70432), (372, 59072), (384, 57226), (403, 54528), (416, 52824), (426, 51584), (496, 44304), (568, 38688), (624, 35216), (744, 29536), (768, 28613), (806, 27264), (832, 26412), (852, 25792), (923, 23808), (992, 22152), (1136, 19344), (1209, 18176), (1248, 17608), (1488, 14768), (1612, 13632), (1664, 13206), (1704, 12896), (1846, 11904), (1984, 11076), (2201, 9984), (2272, 9672), (2418, 9088), (2496, 8804), (2769, 7936), (2976, 7384), (3224, 6816), (3328, 6603), (3408, 6448), (3692, 5952), (3968, 5538), (4402, 4992), (4544, 4836)]