21139062

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:333

約数の個数: 64

約数和(自身を含む): 50663424

約数和(自身を除く): 29524362

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 61, 74, 111, 122, 183, 222, 223, 259, 366, 427, 446, 518, 669, 777, 854, 1281, 1338, 1554, 1561, 2257, 2562, 3122, 4514, 4683, 6771, 8251, 9366, 13542, 13603, 15799, 16502, 24753, 27206, 31598, 40809, 47397, 49506, 57757, 81618, 94794, 95221, 115514, 173271, 190442, 285663, 346542, 503311, 571326, 1006622, 1509933, 3019866, 3523177, 7046354, 10569531, 21139062]

約数ペア:

[(1, 21139062), (2, 10569531), (3, 7046354), (6, 3523177), (7, 3019866), (14, 1509933), (21, 1006622), (37, 571326), (42, 503311), (61, 346542), (74, 285663), (111, 190442), (122, 173271), (183, 115514), (222, 95221), (223, 94794), (259, 81618), (366, 57757), (427, 49506), (446, 47397), (518, 40809), (669, 31598), (777, 27206), (854, 24753), (1281, 16502), (1338, 15799), (1554, 13603), (1561, 13542), (2257, 9366), (2562, 8251), (3122, 6771), (4514, 4683)]