21831874

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 14663486

約数列:

[1, 2, 19, 31, 38, 43, 62, 86, 431, 589, 817, 862, 1178, 1333, 1634, 2666, 8189, 13361, 16378, 18533, 25327, 26722, 37066, 50654, 253859, 352127, 507718, 574523, 704254, 1149046, 10915937, 21831874]

約数ペア:

[(1, 21831874), (2, 10915937), (19, 1149046), (31, 704254), (38, 574523), (43, 507718), (62, 352127), (86, 253859), (431, 50654), (589, 37066), (817, 26722), (862, 25327), (1178, 18533), (1333, 16378), (1634, 13361), (2666, 8189)]