21811136

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{20047}}^1$

素因数の和:20076

約数の個数: 28

約数和(自身を含む): 45829728

約数和(自身を除く): 24018592

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 20047, 40094, 80188, 160376, 320752, 340799, 641504, 681598, 1283008, 1363196, 2726392, 5452784, 10905568, 21811136]

約数ペア:

[(1, 21811136), (2, 10905568), (4, 5452784), (8, 2726392), (16, 1363196), (17, 1283008), (32, 681598), (34, 641504), (64, 340799), (68, 320752), (136, 160376), (272, 80188), (544, 40094), (1088, 20047)]