21542352

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 160

約数和(自身を含む): 66662400

約数和(自身を除く): 45120048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 23, 24, 26, 38, 39, 46, 48, 52, 57, 69, 76, 78, 79, 92, 104, 114, 138, 152, 156, 158, 184, 208, 228, 237, 247, 276, 299, 304, 312, 316, 368, 437, 456, 474, 494, 552, 598, 624, 632, 741, 874, 897, 912, 948, 988, 1027, 1104, 1196, 1264, 1311, 1482, 1501, 1748, 1794, 1817, 1896, 1976, 2054, 2392, 2622, 2964, 3002, 3081, 3496, 3588, 3634, 3792, 3952, 4108, 4503, 4784, 5244, 5451, 5681, 5928, 6004, 6162, 6992, 7176, 7268, 8216, 9006, 10488, 10902, 11362, 11856, 12008, 12324, 14352, 14536, 16432, 17043, 18012, 19513, 20976, 21804, 22724, 23621, 24016, 24648, 29072, 34086, 34523, 36024, 39026, 43608, 45448, 47242, 49296, 58539, 68172, 69046, 70863, 72048, 78052, 87216, 90896, 94484, 103569, 117078, 136344, 138092, 141726, 156104, 188968, 207138, 234156, 272688, 276184, 283452, 312208, 377936, 414276, 448799, 468312, 552368, 566904, 828552, 897598, 936624, 1133808, 1346397, 1657104, 1795196, 2692794, 3590392, 5385588, 7180784, 10771176, 21542352]

約数ペア:

[(1, 21542352), (2, 10771176), (3, 7180784), (4, 5385588), (6, 3590392), (8, 2692794), (12, 1795196), (13, 1657104), (16, 1346397), (19, 1133808), (23, 936624), (24, 897598), (26, 828552), (38, 566904), (39, 552368), (46, 468312), (48, 448799), (52, 414276), (57, 377936), (69, 312208), (76, 283452), (78, 276184), (79, 272688), (92, 234156), (104, 207138), (114, 188968), (138, 156104), (152, 141726), (156, 138092), (158, 136344), (184, 117078), (208, 103569), (228, 94484), (237, 90896), (247, 87216), (276, 78052), (299, 72048), (304, 70863), (312, 69046), (316, 68172), (368, 58539), (437, 49296), (456, 47242), (474, 45448), (494, 43608), (552, 39026), (598, 36024), (624, 34523), (632, 34086), (741, 29072), (874, 24648), (897, 24016), (912, 23621), (948, 22724), (988, 21804), (1027, 20976), (1104, 19513), (1196, 18012), (1264, 17043), (1311, 16432), (1482, 14536), (1501, 14352), (1748, 12324), (1794, 12008), (1817, 11856), (1896, 11362), (1976, 10902), (2054, 10488), (2392, 9006), (2622, 8216), (2964, 7268), (3002, 7176), (3081, 6992), (3496, 6162), (3588, 6004), (3634, 5928), (3792, 5681), (3952, 5451), (4108, 5244), (4503, 4784)]