21605340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{360089}}^1$

素因数の和:360101

約数の個数: 24

約数和(自身を含む): 60495120

約数和(自身を除く): 38889780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 360089, 720178, 1080267, 1440356, 1800445, 2160534, 3600890, 4321068, 5401335, 7201780, 10802670, 21605340]

約数ペア:

[(1, 21605340), (2, 10802670), (3, 7201780), (4, 5401335), (5, 4321068), (6, 3600890), (10, 2160534), (12, 1800445), (15, 1440356), (20, 1080267), (30, 720178), (60, 360089)]