21399204

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{22573}}^1$

素因数の和:22659

約数の個数: 24

約数和(自身を含む): 50565760

約数和(自身を除く): 29166556

約数列:

[1, 2, 3, 4, 6, 12, 79, 158, 237, 316, 474, 948, 22573, 45146, 67719, 90292, 135438, 270876, 1783267, 3566534, 5349801, 7133068, 10699602, 21399204]

約数ペア:

[(1, 21399204), (2, 10699602), (3, 7133068), (4, 5349801), (6, 3566534), (12, 1783267), (79, 270876), (158, 135438), (237, 90292), (316, 67719), (474, 45146), (948, 22573)]