21167152

素因数分解:

$2^4\times {\mathrm{41}}^2\times {\mathrm{787}}^1$

素因数の和:877

約数の個数: 30

約数和(自身を含む): 42089444

約数和(自身を除く): 20922292

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 787, 1574, 1681, 3148, 3362, 6296, 6724, 12592, 13448, 26896, 32267, 64534, 129068, 258136, 516272, 1322947, 2645894, 5291788, 10583576, 21167152]

約数ペア:

[(1, 21167152), (2, 10583576), (4, 5291788), (8, 2645894), (16, 1322947), (41, 516272), (82, 258136), (164, 129068), (328, 64534), (656, 32267), (787, 26896), (1574, 13448), (1681, 12592), (3148, 6724), (3362, 6296)]