21106620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{117259}}^1$

素因数の和:117274

約数の個数: 36

約数和(自身を含む): 64023960

約数和(自身を除く): 42917340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 117259, 234518, 351777, 469036, 586295, 703554, 1055331, 1172590, 1407108, 1758885, 2110662, 2345180, 3517770, 4221324, 5276655, 7035540, 10553310, 21106620]

約数ペア:

[(1, 21106620), (2, 10553310), (3, 7035540), (4, 5276655), (5, 4221324), (6, 3517770), (9, 2345180), (10, 2110662), (12, 1758885), (15, 1407108), (18, 1172590), (20, 1055331), (30, 703554), (36, 586295), (45, 469036), (60, 351777), (90, 234518), (180, 117259)]