21906090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{243401}}^1$

素因数の和:243414

約数の個数: 24

約数和(自身を含む): 56956068

約数和(自身を除く): 35049978

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 243401, 486802, 730203, 1217005, 1460406, 2190609, 2434010, 3651015, 4381218, 7302030, 10953045, 21906090]

約数ペア:

[(1, 21906090), (2, 10953045), (3, 7302030), (5, 4381218), (6, 3651015), (9, 2434010), (10, 2190609), (15, 1460406), (18, 1217005), (30, 730203), (45, 486802), (90, 243401)]