21219444

素因数分解:

$2^2\times 3^2\times {\mathrm{683}}^1\times {\mathrm{863}}^1$

素因数の和:1556

約数の個数: 36

約数和(自身を含む): 53778816

約数和(自身を除く): 32559372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 683, 863, 1366, 1726, 2049, 2589, 2732, 3452, 4098, 5178, 6147, 7767, 8196, 10356, 12294, 15534, 24588, 31068, 589429, 1178858, 1768287, 2357716, 3536574, 5304861, 7073148, 10609722, 21219444]

約数ペア:

[(1, 21219444), (2, 10609722), (3, 7073148), (4, 5304861), (6, 3536574), (9, 2357716), (12, 1768287), (18, 1178858), (36, 589429), (683, 31068), (863, 24588), (1366, 15534), (1726, 12294), (2049, 10356), (2589, 8196), (2732, 7767), (3452, 6147), (4098, 5178)]