21820006

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{673}}^1$

素因数の和:760

約数の個数: 32

約数和(自身を含む): 37366560

約数和(自身を除く): 15546554

約数列:

[1, 2, 13, 26, 29, 43, 58, 86, 377, 559, 673, 754, 1118, 1247, 1346, 2494, 8749, 16211, 17498, 19517, 28939, 32422, 39034, 57878, 253721, 376207, 507442, 752414, 839231, 1678462, 10910003, 21820006]

約数ペア:

[(1, 21820006), (2, 10910003), (13, 1678462), (26, 839231), (29, 752414), (43, 507442), (58, 376207), (86, 253721), (377, 57878), (559, 39034), (673, 32422), (754, 28939), (1118, 19517), (1247, 17498), (1346, 16211), (2494, 8749)]