21374268

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1801}}^1$

素因数の和:1874

約数の個数: 48

約数和(自身を含む): 53281536

約数和(自身を除く): 31907268

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 258, 276, 516, 989, 1801, 1978, 2967, 3602, 3956, 5403, 5934, 7204, 10806, 11868, 21612, 41423, 77443, 82846, 124269, 154886, 165692, 232329, 248538, 309772, 464658, 497076, 929316, 1781189, 3562378, 5343567, 7124756, 10687134, 21374268]

約数ペア:

[(1, 21374268), (2, 10687134), (3, 7124756), (4, 5343567), (6, 3562378), (12, 1781189), (23, 929316), (43, 497076), (46, 464658), (69, 309772), (86, 248538), (92, 232329), (129, 165692), (138, 154886), (172, 124269), (258, 82846), (276, 77443), (516, 41423), (989, 21612), (1801, 11868), (1978, 10806), (2967, 7204), (3602, 5934), (3956, 5403)]