21487130112

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{1998431}}^1$

素因数の和:1998459

約数の個数: 80

約数和(自身を含む): 65420669952

約数和(自身を除く): 43933539840

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 512, 672, 768, 896, 1344, 1536, 1792, 2688, 3584, 5376, 10752, 1998431, 3996862, 5995293, 7993724, 11990586, 13989017, 15987448, 23981172, 27978034, 31974896, 41967051, 47962344, 55956068, 63949792, 83934102, 95924688, 111912136, 127899584, 167868204, 191849376, 223824272, 255799168, 335736408, 383698752, 447648544, 511598336, 671472816, 767397504, 895297088, 1023196672, 1342945632, 1534795008, 1790594176, 2685891264, 3069590016, 3581188352, 5371782528, 7162376704, 10743565056, 21487130112]

約数ペア:

[(1, 21487130112), (2, 10743565056), (3, 7162376704), (4, 5371782528), (6, 3581188352), (7, 3069590016), (8, 2685891264), (12, 1790594176), (14, 1534795008), (16, 1342945632), (21, 1023196672), (24, 895297088), (28, 767397504), (32, 671472816), (42, 511598336), (48, 447648544), (56, 383698752), (64, 335736408), (84, 255799168), (96, 223824272), (112, 191849376), (128, 167868204), (168, 127899584), (192, 111912136), (224, 95924688), (256, 83934102), (336, 63949792), (384, 55956068), (448, 47962344), (512, 41967051), (672, 31974896), (768, 27978034), (896, 23981172), (1344, 15987448), (1536, 13989017), (1792, 11990586), (2688, 7993724), (3584, 5995293), (5376, 3996862), (10752, 1998431)]