21747030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{724901}}^1$

素因数の和:724911

約数の個数: 16

約数和(自身を含む): 52192944

約数和(自身を除く): 30445914

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 724901, 1449802, 2174703, 3624505, 4349406, 7249010, 10873515, 21747030]

約数ペア:

[(1, 21747030), (2, 10873515), (3, 7249010), (5, 4349406), (6, 3624505), (10, 2174703), (15, 1449802), (30, 724901)]