21776860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6763}}^1$

素因数の和:6802

約数の個数: 48

約数和(自身を含む): 54544896

約数和(自身を除く): 32768036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 6763, 13526, 27052, 33815, 47341, 67630, 94682, 135260, 155549, 189364, 236705, 311098, 473410, 622196, 777745, 946820, 1088843, 1555490, 2177686, 3110980, 4355372, 5444215, 10888430, 21776860]

約数ペア:

[(1, 21776860), (2, 10888430), (4, 5444215), (5, 4355372), (7, 3110980), (10, 2177686), (14, 1555490), (20, 1088843), (23, 946820), (28, 777745), (35, 622196), (46, 473410), (70, 311098), (92, 236705), (115, 189364), (140, 155549), (161, 135260), (230, 94682), (322, 67630), (460, 47341), (644, 33815), (805, 27052), (1610, 13526), (3220, 6763)]