21741608

素因数分解:

$2^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1741}}^1$

素因数の和:1977

約数の個数: 32

約数和(自身を含む): 46824960

約数和(自身を除く): 25083352

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 223, 446, 892, 1561, 1741, 1784, 3122, 3482, 6244, 6964, 12187, 12488, 13928, 24374, 48748, 97496, 388243, 776486, 1552972, 2717701, 3105944, 5435402, 10870804, 21741608]

約数ペア:

[(1, 21741608), (2, 10870804), (4, 5435402), (7, 3105944), (8, 2717701), (14, 1552972), (28, 776486), (56, 388243), (223, 97496), (446, 48748), (892, 24374), (1561, 13928), (1741, 12488), (1784, 12187), (3122, 6964), (3482, 6244)]