21530496

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:276

約数の個数: 128

約数和(自身を含む): 65116800

約数和(自身を除く): 43586304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 64, 76, 78, 96, 104, 114, 128, 152, 156, 192, 208, 227, 228, 247, 304, 312, 384, 416, 454, 456, 494, 608, 624, 681, 741, 832, 908, 912, 988, 1216, 1248, 1362, 1482, 1664, 1816, 1824, 1976, 2432, 2496, 2724, 2951, 2964, 3632, 3648, 3952, 4313, 4992, 5448, 5902, 5928, 7264, 7296, 7904, 8626, 8853, 10896, 11804, 11856, 12939, 14528, 15808, 17252, 17706, 21792, 23608, 23712, 25878, 29056, 31616, 34504, 35412, 43584, 47216, 47424, 51756, 56069, 69008, 70824, 87168, 94432, 94848, 103512, 112138, 138016, 141648, 168207, 188864, 207024, 224276, 276032, 283296, 336414, 377728, 414048, 448552, 552064, 566592, 672828, 828096, 897104, 1133184, 1345656, 1656192, 1794208, 2691312, 3588416, 5382624, 7176832, 10765248, 21530496]

約数ペア:

[(1, 21530496), (2, 10765248), (3, 7176832), (4, 5382624), (6, 3588416), (8, 2691312), (12, 1794208), (13, 1656192), (16, 1345656), (19, 1133184), (24, 897104), (26, 828096), (32, 672828), (38, 566592), (39, 552064), (48, 448552), (52, 414048), (57, 377728), (64, 336414), (76, 283296), (78, 276032), (96, 224276), (104, 207024), (114, 188864), (128, 168207), (152, 141648), (156, 138016), (192, 112138), (208, 103512), (227, 94848), (228, 94432), (247, 87168), (304, 70824), (312, 69008), (384, 56069), (416, 51756), (454, 47424), (456, 47216), (494, 43584), (608, 35412), (624, 34504), (681, 31616), (741, 29056), (832, 25878), (908, 23712), (912, 23608), (988, 21792), (1216, 17706), (1248, 17252), (1362, 15808), (1482, 14528), (1664, 12939), (1816, 11856), (1824, 11804), (1976, 10896), (2432, 8853), (2496, 8626), (2724, 7904), (2951, 7296), (2964, 7264), (3632, 5928), (3648, 5902), (3952, 5448), (4313, 4992)]