21858904888

素因数分解:

$2^3\times {\mathrm{12433}}^1\times {\mathrm{219767}}^1$

素因数の和:232206

約数の個数: 16

約数和(自身を含む): 40988929680

約数和(自身を除く): 19130024792

約数列:

[1, 2, 4, 8, 12433, 24866, 49732, 99464, 219767, 439534, 879068, 1758136, 2732363111, 5464726222, 10929452444, 21858904888]

約数ペア:

[(1, 21858904888), (2, 10929452444), (4, 5464726222), (8, 2732363111), (12433, 1758136), (24866, 879068), (49732, 439534), (99464, 219767)]