21036036

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1123}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 56397824

約数和(自身を除く): 35361788

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 223, 446, 669, 892, 1123, 1338, 1561, 2246, 2676, 3122, 3369, 4492, 4683, 6244, 6738, 7861, 9366, 13476, 15722, 18732, 23583, 31444, 47166, 94332, 250429, 500858, 751287, 1001716, 1502574, 1753003, 3005148, 3506006, 5259009, 7012012, 10518018, 21036036]

約数ペア:

[(1, 21036036), (2, 10518018), (3, 7012012), (4, 5259009), (6, 3506006), (7, 3005148), (12, 1753003), (14, 1502574), (21, 1001716), (28, 751287), (42, 500858), (84, 250429), (223, 94332), (446, 47166), (669, 31444), (892, 23583), (1123, 18732), (1338, 15722), (1561, 13476), (2246, 9366), (2676, 7861), (3122, 6738), (3369, 6244), (4492, 4683)]