21107052

素因数分解:

$2^2\times 3^2\times {\mathrm{661}}^1\times {\mathrm{887}}^1$

素因数の和:1558

約数の個数: 36

約数和(自身を含む): 53494896

約数和(自身を除く): 32387844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 661, 887, 1322, 1774, 1983, 2644, 2661, 3548, 3966, 5322, 5949, 7932, 7983, 10644, 11898, 15966, 23796, 31932, 586307, 1172614, 1758921, 2345228, 3517842, 5276763, 7035684, 10553526, 21107052]

約数ペア:

[(1, 21107052), (2, 10553526), (3, 7035684), (4, 5276763), (6, 3517842), (9, 2345228), (12, 1758921), (18, 1172614), (36, 586307), (661, 31932), (887, 23796), (1322, 15966), (1774, 11898), (1983, 10644), (2644, 7983), (2661, 7932), (3548, 5949), (3966, 5322)]