21923288

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 42078960

約数和(自身を除く): 20155672

約数列:

[1, 2, 4, 8, 83, 137, 166, 241, 274, 332, 482, 548, 664, 964, 1096, 1928, 11371, 20003, 22742, 33017, 40006, 45484, 66034, 80012, 90968, 132068, 160024, 264136, 2740411, 5480822, 10961644, 21923288]

約数ペア:

[(1, 21923288), (2, 10961644), (4, 5480822), (8, 2740411), (83, 264136), (137, 160024), (166, 132068), (241, 90968), (274, 80012), (332, 66034), (482, 45484), (548, 40006), (664, 33017), (964, 22742), (1096, 20003), (1928, 11371)]