21525756

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2351}}^1$

素因数の和:2474

約数の個数: 48

約数和(自身を含む): 57953280

約数和(自身を除く): 36427524

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 109, 218, 327, 436, 654, 763, 1308, 1526, 2289, 2351, 3052, 4578, 4702, 7053, 9156, 9404, 14106, 16457, 28212, 32914, 49371, 65828, 98742, 197484, 256259, 512518, 768777, 1025036, 1537554, 1793813, 3075108, 3587626, 5381439, 7175252, 10762878, 21525756]

約数ペア:

[(1, 21525756), (2, 10762878), (3, 7175252), (4, 5381439), (6, 3587626), (7, 3075108), (12, 1793813), (14, 1537554), (21, 1025036), (28, 768777), (42, 512518), (84, 256259), (109, 197484), (218, 98742), (327, 65828), (436, 49371), (654, 32914), (763, 28212), (1308, 16457), (1526, 14106), (2289, 9404), (2351, 9156), (3052, 7053), (4578, 4702)]