21006882

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{839}}^1$

素因数の和:967

約数の個数: 48

約数和(自身を含む): 49533120

約数和(自身を除く): 28526238

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 107, 117, 214, 234, 321, 642, 839, 963, 1391, 1678, 1926, 2517, 2782, 4173, 5034, 7551, 8346, 10907, 12519, 15102, 21814, 25038, 32721, 65442, 89773, 98163, 179546, 196326, 269319, 538638, 807957, 1167049, 1615914, 2334098, 3501147, 7002294, 10503441, 21006882]

約数ペア:

[(1, 21006882), (2, 10503441), (3, 7002294), (6, 3501147), (9, 2334098), (13, 1615914), (18, 1167049), (26, 807957), (39, 538638), (78, 269319), (107, 196326), (117, 179546), (214, 98163), (234, 89773), (321, 65442), (642, 32721), (839, 25038), (963, 21814), (1391, 15102), (1678, 12519), (1926, 10907), (2517, 8346), (2782, 7551), (4173, 5034)]