21498092

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 47265792

約数和(自身を除く): 25767700

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 223, 308, 313, 446, 626, 892, 1252, 1561, 2191, 2453, 3122, 3443, 4382, 4906, 6244, 6886, 8764, 9812, 13772, 17171, 24101, 34342, 48202, 68684, 69799, 96404, 139598, 279196, 488593, 767789, 977186, 1535578, 1954372, 3071156, 5374523, 10749046, 21498092]

約数ペア:

[(1, 21498092), (2, 10749046), (4, 5374523), (7, 3071156), (11, 1954372), (14, 1535578), (22, 977186), (28, 767789), (44, 488593), (77, 279196), (154, 139598), (223, 96404), (308, 69799), (313, 68684), (446, 48202), (626, 34342), (892, 24101), (1252, 17171), (1561, 13772), (2191, 9812), (2453, 8764), (3122, 6886), (3443, 6244), (4382, 4906)]