21629907

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{929}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 33852000

約数和(自身を除く): 12222093

約数列:

[1, 3, 9, 13, 39, 117, 199, 597, 929, 1791, 2587, 2787, 7761, 8361, 12077, 23283, 36231, 108693, 184871, 554613, 1663839, 2403323, 7209969, 21629907]

約数ペア:

[(1, 21629907), (3, 7209969), (9, 2403323), (13, 1663839), (39, 554613), (117, 184871), (199, 108693), (597, 36231), (929, 23283), (1791, 12077), (2587, 8361), (2787, 7761)]