21788754

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2039}}^1$

素因数の和:2194

約数の個数: 32

約数和(自身を含む): 47295360

約数和(自身を除く): 25506606

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 137, 274, 411, 822, 1781, 2039, 3562, 4078, 5343, 6117, 10686, 12234, 26507, 53014, 79521, 159042, 279343, 558686, 838029, 1676058, 3631459, 7262918, 10894377, 21788754]

約数ペア:

[(1, 21788754), (2, 10894377), (3, 7262918), (6, 3631459), (13, 1676058), (26, 838029), (39, 558686), (78, 279343), (137, 159042), (274, 79521), (411, 53014), (822, 26507), (1781, 12234), (2039, 10686), (3562, 6117), (4078, 5343)]