21120168

素因数分解:

$2^3\times 3^1\times {\mathrm{880007}}^1$

素因数の和:880016

約数の個数: 16

約数和(自身を含む): 52800480

約数和(自身を除く): 31680312

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 880007, 1760014, 2640021, 3520028, 5280042, 7040056, 10560084, 21120168]

約数ペア:

[(1, 21120168), (2, 10560084), (3, 7040056), (4, 5280042), (6, 3520028), (8, 2640021), (12, 1760014), (24, 880007)]