21646742

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 36578304

約数和(自身を除く): 14931562

約数列:

[1, 2, 13, 26, 31, 62, 107, 214, 251, 403, 502, 806, 1391, 2782, 3263, 3317, 6526, 6634, 7781, 15562, 26857, 43121, 53714, 86242, 101153, 202306, 349141, 698282, 832567, 1665134, 10823371, 21646742]

約数ペア:

[(1, 21646742), (2, 10823371), (13, 1665134), (26, 832567), (31, 698282), (62, 349141), (107, 202306), (214, 101153), (251, 86242), (403, 53714), (502, 43121), (806, 26857), (1391, 15562), (2782, 7781), (3263, 6634), (3317, 6526)]