21289371584

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{3499}}^1$

素因数の和:3698

約数の個数: 112

約数和(自身を含む): 46597824000

約数和(自身を除く): 25308452416

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 71, 103, 104, 142, 206, 208, 284, 412, 416, 568, 824, 832, 923, 1136, 1339, 1648, 1846, 2272, 2678, 3296, 3499, 3692, 4544, 5356, 6592, 6998, 7313, 7384, 10712, 13996, 14626, 14768, 21424, 27992, 29252, 29536, 42848, 45487, 55984, 58504, 59072, 85696, 90974, 95069, 111968, 117008, 181948, 190138, 223936, 234016, 248429, 360397, 363896, 380276, 468032, 496858, 720794, 727792, 760552, 993716, 1441588, 1455584, 1521104, 1987432, 2883176, 2911168, 3042208, 3229577, 3974864, 4685161, 5766352, 6084416, 6459154, 7949728, 9370322, 11532704, 12918308, 15899456, 18740644, 23065408, 25588187, 25836616, 37481288, 51176374, 51673232, 74962576, 102352748, 103346464, 149925152, 204705496, 206692928, 299850304, 332646431, 409410992, 665292862, 818821984, 1330585724, 1637643968, 2661171448, 5322342896, 10644685792, 21289371584]

約数ペア:

[(1, 21289371584), (2, 10644685792), (4, 5322342896), (8, 2661171448), (13, 1637643968), (16, 1330585724), (26, 818821984), (32, 665292862), (52, 409410992), (64, 332646431), (71, 299850304), (103, 206692928), (104, 204705496), (142, 149925152), (206, 103346464), (208, 102352748), (284, 74962576), (412, 51673232), (416, 51176374), (568, 37481288), (824, 25836616), (832, 25588187), (923, 23065408), (1136, 18740644), (1339, 15899456), (1648, 12918308), (1846, 11532704), (2272, 9370322), (2678, 7949728), (3296, 6459154), (3499, 6084416), (3692, 5766352), (4544, 4685161), (5356, 3974864), (6592, 3229577), (6998, 3042208), (7313, 2911168), (7384, 2883176), (10712, 1987432), (13996, 1521104), (14626, 1455584), (14768, 1441588), (21424, 993716), (27992, 760552), (29252, 727792), (29536, 720794), (42848, 496858), (45487, 468032), (55984, 380276), (58504, 363896), (59072, 360397), (85696, 248429), (90974, 234016), (95069, 223936), (111968, 190138), (117008, 181948)]