21603030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{720101}}^1$

素因数の和:720111

約数の個数: 16

約数和(自身を含む): 51847344

約数和(自身を除く): 30244314

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 720101, 1440202, 2160303, 3600505, 4320606, 7201010, 10801515, 21603030]

約数ペア:

[(1, 21603030), (2, 10801515), (3, 7201010), (5, 4320606), (6, 3600505), (10, 2160303), (15, 1440202), (30, 720101)]