21000859222

素因数分解:

$2^1\times 7^1\times {\mathrm{4049}}^1\times {\mathrm{370477}}^1$

素因数の和:374535

約数の個数: 16

約数和(自身を含む): 36010461600

約数和(自身を除く): 15009602378

約数列:

[1, 2, 7, 14, 4049, 8098, 28343, 56686, 370477, 740954, 2593339, 5186678, 1500061373, 3000122746, 10500429611, 21000859222]

約数ペア:

[(1, 21000859222), (2, 10500429611), (7, 3000122746), (14, 1500061373), (4049, 5186678), (8098, 2593339), (28343, 740954), (56686, 370477)]