21974757

素因数分解:

$3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{3301}}^1$

素因数の和:3628

約数の個数: 16

約数和(自身を含む): 33601152

約数和(自身を除く): 11626395

約数列:

[1, 3, 7, 21, 317, 951, 2219, 3301, 6657, 9903, 23107, 69321, 1046417, 3139251, 7324919, 21974757]

約数ペア:

[(1, 21974757), (3, 7324919), (7, 3139251), (21, 1046417), (317, 69321), (951, 23107), (2219, 9903), (3301, 6657)]