21174878

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{5399}}^1$

素因数の和:5491

約数の個数: 16

約数和(自身を含む): 33242400

約数和(自身を除く): 12067522

約数列:

[1, 2, 37, 53, 74, 106, 1961, 3922, 5399, 10798, 199763, 286147, 399526, 572294, 10587439, 21174878]

約数ペア:

[(1, 21174878), (2, 10587439), (37, 572294), (53, 399526), (74, 286147), (106, 199763), (1961, 10798), (3922, 5399)]