21737268

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28753}}^1$

素因数の和:28773

約数の個数: 48

約数和(自身を含む): 64408960

約数和(自身を除く): 42671692

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28753, 57506, 86259, 115012, 172518, 201271, 258777, 345036, 402542, 517554, 603813, 776331, 805084, 1035108, 1207626, 1552662, 1811439, 2415252, 3105324, 3622878, 5434317, 7245756, 10868634, 21737268]

約数ペア:

[(1, 21737268), (2, 10868634), (3, 7245756), (4, 5434317), (6, 3622878), (7, 3105324), (9, 2415252), (12, 1811439), (14, 1552662), (18, 1207626), (21, 1035108), (27, 805084), (28, 776331), (36, 603813), (42, 517554), (54, 402542), (63, 345036), (84, 258777), (108, 201271), (126, 172518), (189, 115012), (252, 86259), (378, 57506), (756, 28753)]