21059736

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:824

約数の個数: 64

約数和(自身を含む): 56609280

約数和(自身を除く): 35549544

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 71, 102, 136, 142, 204, 213, 284, 408, 426, 568, 727, 852, 1207, 1454, 1704, 2181, 2414, 2908, 3621, 4362, 4828, 5816, 7242, 8724, 9656, 12359, 14484, 17448, 24718, 28968, 37077, 49436, 51617, 74154, 98872, 103234, 148308, 154851, 206468, 296616, 309702, 412936, 619404, 877489, 1238808, 1754978, 2632467, 3509956, 5264934, 7019912, 10529868, 21059736]

約数ペア:

[(1, 21059736), (2, 10529868), (3, 7019912), (4, 5264934), (6, 3509956), (8, 2632467), (12, 1754978), (17, 1238808), (24, 877489), (34, 619404), (51, 412936), (68, 309702), (71, 296616), (102, 206468), (136, 154851), (142, 148308), (204, 103234), (213, 98872), (284, 74154), (408, 51617), (426, 49436), (568, 37077), (727, 28968), (852, 24718), (1207, 17448), (1454, 14484), (1704, 12359), (2181, 9656), (2414, 8724), (2908, 7242), (3621, 5816), (4362, 4828)]