21117168

素因数分解:

$2^4\times 3^2\times {\mathrm{146647}}^1$

素因数の和:146661

約数の個数: 30

約数和(自身を含む): 59099144

約数和(自身を除く): 37981976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 146647, 293294, 439941, 586588, 879882, 1173176, 1319823, 1759764, 2346352, 2639646, 3519528, 5279292, 7039056, 10558584, 21117168]

約数ペア:

[(1, 21117168), (2, 10558584), (3, 7039056), (4, 5279292), (6, 3519528), (8, 2639646), (9, 2346352), (12, 1759764), (16, 1319823), (18, 1173176), (24, 879882), (36, 586588), (48, 439941), (72, 293294), (144, 146647)]