21406198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{617}}^1$

素因数の和:732

約数の個数: 32

約数和(自身を含む): 37376640

約数和(自身を除く): 15970442

約数列:

[1, 2, 11, 19, 22, 38, 83, 166, 209, 418, 617, 913, 1234, 1577, 1826, 3154, 6787, 11723, 13574, 17347, 23446, 34694, 51211, 102422, 128953, 257906, 563321, 973009, 1126642, 1946018, 10703099, 21406198]

約数ペア:

[(1, 21406198), (2, 10703099), (11, 1946018), (19, 1126642), (22, 973009), (38, 563321), (83, 257906), (166, 128953), (209, 102422), (418, 51211), (617, 34694), (913, 23446), (1234, 17347), (1577, 13574), (1826, 11723), (3154, 6787)]