21687042

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8969}}^1$

素因数の和:9018

約数の個数: 32

約数和(自身を含む): 48222720

約数和(自身を除く): 26535678

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8969, 17938, 26907, 53814, 116597, 233194, 278039, 349791, 556078, 699582, 834117, 1668234, 3614507, 7229014, 10843521, 21687042]

約数ペア:

[(1, 21687042), (2, 10843521), (3, 7229014), (6, 3614507), (13, 1668234), (26, 834117), (31, 699582), (39, 556078), (62, 349791), (78, 278039), (93, 233194), (186, 116597), (403, 53814), (806, 26907), (1209, 17938), (2418, 8969)]