21703682

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 45045504

約数和(自身を除く): 23341822

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 37, 74, 77, 91, 143, 154, 182, 259, 286, 293, 407, 481, 518, 586, 814, 962, 1001, 2002, 2051, 2849, 3223, 3367, 3809, 4102, 5291, 5698, 6446, 6734, 7618, 10582, 10841, 21682, 22561, 26663, 37037, 41899, 45122, 53326, 74074, 75887, 83798, 119251, 140933, 151774, 238502, 281866, 293293, 586586, 834757, 986531, 1550263, 1669514, 1973062, 3100526, 10851841, 21703682]

約数ペア:

[(1, 21703682), (2, 10851841), (7, 3100526), (11, 1973062), (13, 1669514), (14, 1550263), (22, 986531), (26, 834757), (37, 586586), (74, 293293), (77, 281866), (91, 238502), (143, 151774), (154, 140933), (182, 119251), (259, 83798), (286, 75887), (293, 74074), (407, 53326), (481, 45122), (518, 41899), (586, 37037), (814, 26663), (962, 22561), (1001, 21682), (2002, 10841), (2051, 10582), (2849, 7618), (3223, 6734), (3367, 6446), (3809, 5698), (4102, 5291)]