21663054

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{171929}}^1$

素因数の和:171944

約数の個数: 24

約数和(自身を含む): 53642160

約数和(自身を除く): 31979106

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 171929, 343858, 515787, 1031574, 1203503, 1547361, 2407006, 3094722, 3610509, 7221018, 10831527, 21663054]

約数ペア:

[(1, 21663054), (2, 10831527), (3, 7221018), (6, 3610509), (7, 3094722), (9, 2407006), (14, 1547361), (18, 1203503), (21, 1031574), (42, 515787), (63, 343858), (126, 171929)]