21949714

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1\times {\mathrm{389}}^1$

素因数の和:797

約数の個数: 16

約数和(自身を含む): 33485400

約数和(自身を除く): 11535686

約数列:

[1, 2, 89, 178, 317, 389, 634, 778, 28213, 34621, 56426, 69242, 123313, 246626, 10974857, 21949714]

約数ペア:

[(1, 21949714), (2, 10974857), (89, 246626), (178, 123313), (317, 69242), (389, 56426), (634, 34621), (778, 28213)]