21468360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{178903}}^1$

素因数の和:178917

約数の個数: 32

約数和(自身を含む): 64405440

約数和(自身を除く): 42937080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 178903, 357806, 536709, 715612, 894515, 1073418, 1431224, 1789030, 2146836, 2683545, 3578060, 4293672, 5367090, 7156120, 10734180, 21468360]

約数ペア:

[(1, 21468360), (2, 10734180), (3, 7156120), (4, 5367090), (5, 4293672), (6, 3578060), (8, 2683545), (10, 2146836), (12, 1789030), (15, 1431224), (20, 1073418), (24, 894515), (30, 715612), (40, 536709), (60, 357806), (120, 178903)]