21345522

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{8741}}^1$

素因数の和:8794

約数の個数: 32

約数和(自身を含む): 47836224

約数和(自身を除く): 26490702

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 222, 407, 814, 1221, 2442, 8741, 17482, 26223, 52446, 96151, 192302, 288453, 323417, 576906, 646834, 970251, 1940502, 3557587, 7115174, 10672761, 21345522]

約数ペア:

[(1, 21345522), (2, 10672761), (3, 7115174), (6, 3557587), (11, 1940502), (22, 970251), (33, 646834), (37, 576906), (66, 323417), (74, 288453), (111, 192302), (222, 96151), (407, 52446), (814, 26223), (1221, 17482), (2442, 8741)]