21286620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{118259}}^1$

素因数の和:118274

約数の個数: 36

約数和(自身を含む): 64569960

約数和(自身を除く): 43283340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 118259, 236518, 354777, 473036, 591295, 709554, 1064331, 1182590, 1419108, 1773885, 2128662, 2365180, 3547770, 4257324, 5321655, 7095540, 10643310, 21286620]

約数ペア:

[(1, 21286620), (2, 10643310), (3, 7095540), (4, 5321655), (5, 4257324), (6, 3547770), (9, 2365180), (10, 2128662), (12, 1773885), (15, 1419108), (18, 1182590), (20, 1064331), (30, 709554), (36, 591295), (45, 473036), (60, 354777), (90, 236518), (180, 118259)]