21748804

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{293}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 47811456

約数和(自身を除く): 26062652

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 241, 293, 308, 482, 586, 964, 1172, 1687, 2051, 2651, 3223, 3374, 4102, 5302, 6446, 6748, 8204, 10604, 12892, 18557, 22561, 37114, 45122, 70613, 74228, 90244, 141226, 282452, 494291, 776743, 988582, 1553486, 1977164, 3106972, 5437201, 10874402, 21748804]

約数ペア:

[(1, 21748804), (2, 10874402), (4, 5437201), (7, 3106972), (11, 1977164), (14, 1553486), (22, 988582), (28, 776743), (44, 494291), (77, 282452), (154, 141226), (241, 90244), (293, 74228), (308, 70613), (482, 45122), (586, 37114), (964, 22561), (1172, 18557), (1687, 12892), (2051, 10604), (2651, 8204), (3223, 6748), (3374, 6446), (4102, 5302)]