21880452890

素因数分解:

$2^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{4183643}}^1$

素因数の和:4184173

約数の個数: 16

約数和(自身を含む): 39460130208

約数和(自身を除く): 17579677318

約数列:

[1, 2, 5, 10, 523, 1046, 2615, 5230, 4183643, 8367286, 20918215, 41836430, 2188045289, 4376090578, 10940226445, 21880452890]

約数ペア:

[(1, 21880452890), (2, 10940226445), (5, 4376090578), (10, 2188045289), (523, 41836430), (1046, 20918215), (2615, 8367286), (5230, 4183643)]