21660998

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{1667}}^1$

素因数の和:1831

約数の個数: 16

約数和(自身を含む): 33326640

約数和(自身を除く): 11665642

約数列:

[1, 2, 73, 89, 146, 178, 1667, 3334, 6497, 12994, 121691, 148363, 243382, 296726, 10830499, 21660998]

約数ペア:

[(1, 21660998), (2, 10830499), (73, 296726), (89, 243382), (146, 148363), (178, 121691), (1667, 12994), (3334, 6497)]