21960970

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{26459}}^1$

素因数の和:26549

約数の個数: 16

約数和(自身を含む): 40007520

約数和(自身を除く): 18046550

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 26459, 52918, 132295, 264590, 2196097, 4392194, 10980485, 21960970]

約数ペア:

[(1, 21960970), (2, 10980485), (5, 4392194), (10, 2196097), (83, 264590), (166, 132295), (415, 52918), (830, 26459)]