21156750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{9403}}^1$

素因数の和:9426

約数の個数: 48

約数和(自身を含む): 57213936

約数和(自身を除く): 36057186

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 225, 250, 375, 450, 750, 1125, 2250, 9403, 18806, 28209, 47015, 56418, 84627, 94030, 141045, 169254, 235075, 282090, 423135, 470150, 705225, 846270, 1175375, 1410450, 2115675, 2350750, 3526125, 4231350, 7052250, 10578375, 21156750]

約数ペア:

[(1, 21156750), (2, 10578375), (3, 7052250), (5, 4231350), (6, 3526125), (9, 2350750), (10, 2115675), (15, 1410450), (18, 1175375), (25, 846270), (30, 705225), (45, 470150), (50, 423135), (75, 282090), (90, 235075), (125, 169254), (150, 141045), (225, 94030), (250, 84627), (375, 56418), (450, 47015), (750, 28209), (1125, 18806), (2250, 9403)]