21000775084

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{1117}}^1\times {\mathrm{59497}}^1$

素因数の和:60697

約数の個数: 24

約数和(自身を含む): 37250507840

約数和(自身を除く): 16249732756

約数列:

[1, 2, 4, 79, 158, 316, 1117, 2234, 4468, 59497, 88243, 118994, 176486, 237988, 352972, 4700263, 9400526, 18801052, 66458149, 132916298, 265832596, 5250193771, 10500387542, 21000775084]

約数ペア:

[(1, 21000775084), (2, 10500387542), (4, 5250193771), (79, 265832596), (158, 132916298), (316, 66458149), (1117, 18801052), (2234, 9400526), (4468, 4700263), (59497, 352972), (88243, 237988), (118994, 176486)]