21603810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{720127}}^1$

素因数の和:720137

約数の個数: 16

約数和(自身を含む): 51849216

約数和(自身を除く): 30245406

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 720127, 1440254, 2160381, 3600635, 4320762, 7201270, 10801905, 21603810]

約数ペア:

[(1, 21603810), (2, 10801905), (3, 7201270), (5, 4320762), (6, 3600635), (10, 2160381), (15, 1440254), (30, 720127)]