21654060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{360901}}^1$

素因数の和:360913

約数の個数: 24

約数和(自身を含む): 60631536

約数和(自身を除く): 38977476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 360901, 721802, 1082703, 1443604, 1804505, 2165406, 3609010, 4330812, 5413515, 7218020, 10827030, 21654060]

約数ペア:

[(1, 21654060), (2, 10827030), (3, 7218020), (4, 5413515), (5, 4330812), (6, 3609010), (10, 2165406), (12, 1804505), (15, 1443604), (20, 1082703), (30, 721802), (60, 360901)]