21804180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{363403}}^1$

素因数の和:363415

約数の個数: 24

約数和(自身を含む): 61051872

約数和(自身を除く): 39247692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 363403, 726806, 1090209, 1453612, 1817015, 2180418, 3634030, 4360836, 5451045, 7268060, 10902090, 21804180]

約数ペア:

[(1, 21804180), (2, 10902090), (3, 7268060), (4, 5451045), (5, 4360836), (6, 3634030), (10, 2180418), (12, 1817015), (15, 1453612), (20, 1090209), (30, 726806), (60, 363403)]