21480075

素因数分解:

$3^2\times 5^2\times {\mathrm{95467}}^1$

素因数の和:95483

約数の個数: 18

約数和(自身を含む): 38473604

約数和(自身を除く): 16993529

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 95467, 286401, 477335, 859203, 1432005, 2386675, 4296015, 7160025, 21480075]

約数ペア:

[(1, 21480075), (3, 7160025), (5, 4296015), (9, 2386675), (15, 1432005), (25, 859203), (45, 477335), (75, 286401), (225, 95467)]