21152803504

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{617}}^1\times {\mathrm{8273}}^1$

素因数の和:8942

約数の個数: 80

約数和(自身を含む): 48188040768

約数和(自身を除く): 27035237264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 617, 1036, 1234, 2072, 2468, 4144, 4319, 4936, 8273, 8638, 9872, 16546, 17276, 22829, 33092, 34552, 45658, 57911, 66184, 69104, 91316, 115822, 132368, 159803, 182632, 231644, 306101, 319606, 365264, 463288, 612202, 639212, 926576, 1224404, 1278424, 2142707, 2448808, 2556848, 4285414, 4897616, 5104441, 8570828, 10208882, 17141656, 20417764, 34283312, 35731087, 40835528, 71462174, 81671056, 142924348, 188864317, 285848696, 377728634, 571697392, 755457268, 1322050219, 1510914536, 2644100438, 3021829072, 5288200876, 10576401752, 21152803504]

約数ペア:

[(1, 21152803504), (2, 10576401752), (4, 5288200876), (7, 3021829072), (8, 2644100438), (14, 1510914536), (16, 1322050219), (28, 755457268), (37, 571697392), (56, 377728634), (74, 285848696), (112, 188864317), (148, 142924348), (259, 81671056), (296, 71462174), (518, 40835528), (592, 35731087), (617, 34283312), (1036, 20417764), (1234, 17141656), (2072, 10208882), (2468, 8570828), (4144, 5104441), (4319, 4897616), (4936, 4285414), (8273, 2556848), (8638, 2448808), (9872, 2142707), (16546, 1278424), (17276, 1224404), (22829, 926576), (33092, 639212), (34552, 612202), (45658, 463288), (57911, 365264), (66184, 319606), (69104, 306101), (91316, 231644), (115822, 182632), (132368, 159803)]