21244380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{354073}}^1$

素因数の和:354085

約数の個数: 24

約数和(自身を含む): 59484432

約数和(自身を除く): 38240052

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 354073, 708146, 1062219, 1416292, 1770365, 2124438, 3540730, 4248876, 5311095, 7081460, 10622190, 21244380]

約数ペア:

[(1, 21244380), (2, 10622190), (3, 7081460), (4, 5311095), (5, 4248876), (6, 3540730), (10, 2124438), (12, 1770365), (15, 1416292), (20, 1062219), (30, 708146), (60, 354073)]