21884170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 49787136

約数和(自身を除く): 27902966

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 97, 110, 154, 194, 293, 385, 485, 586, 679, 770, 970, 1067, 1358, 1465, 2051, 2134, 2930, 3223, 3395, 4102, 5335, 6446, 6790, 7469, 10255, 10670, 14938, 16115, 20510, 22561, 28421, 32230, 37345, 45122, 56842, 74690, 112805, 142105, 198947, 225610, 284210, 312631, 397894, 625262, 994735, 1563155, 1989470, 2188417, 3126310, 4376834, 10942085, 21884170]

約数ペア:

[(1, 21884170), (2, 10942085), (5, 4376834), (7, 3126310), (10, 2188417), (11, 1989470), (14, 1563155), (22, 994735), (35, 625262), (55, 397894), (70, 312631), (77, 284210), (97, 225610), (110, 198947), (154, 142105), (194, 112805), (293, 74690), (385, 56842), (485, 45122), (586, 37345), (679, 32230), (770, 28421), (970, 22561), (1067, 20510), (1358, 16115), (1465, 14938), (2051, 10670), (2134, 10255), (2930, 7469), (3223, 6790), (3395, 6446), (4102, 5335)]