21069456

素因数分解:

$2^4\times 3^1\times {\mathrm{263}}^1\times {\mathrm{1669}}^1$

素因数の和:1943

約数の個数: 40

約数和(自身を含む): 54669120

約数和(自身を除く): 33599664

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 263, 526, 789, 1052, 1578, 1669, 2104, 3156, 3338, 4208, 5007, 6312, 6676, 10014, 12624, 13352, 20028, 26704, 40056, 80112, 438947, 877894, 1316841, 1755788, 2633682, 3511576, 5267364, 7023152, 10534728, 21069456]

約数ペア:

[(1, 21069456), (2, 10534728), (3, 7023152), (4, 5267364), (6, 3511576), (8, 2633682), (12, 1755788), (16, 1316841), (24, 877894), (48, 438947), (263, 80112), (526, 40056), (789, 26704), (1052, 20028), (1578, 13352), (1669, 12624), (2104, 10014), (3156, 6676), (3338, 6312), (4208, 5007)]