21368272

素因数分解:

$2^4\times {\mathrm{461}}^1\times {\mathrm{2897}}^1$

素因数の和:3366

約数の個数: 20

約数和(自身を含む): 41505156

約数和(自身を除く): 20136884

約数列:

[1, 2, 4, 8, 16, 461, 922, 1844, 2897, 3688, 5794, 7376, 11588, 23176, 46352, 1335517, 2671034, 5342068, 10684136, 21368272]

約数ペア:

[(1, 21368272), (2, 10684136), (4, 5342068), (8, 2671034), (16, 1335517), (461, 46352), (922, 23176), (1844, 11588), (2897, 7376), (3688, 5794)]