21000474616

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{238641757}}^1$

素因数の和:238641774

約数の個数: 16

約数和(自身を含む): 42955516440

約数和(自身を除く): 21955041824

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 238641757, 477283514, 954567028, 1909134056, 2625059327, 5250118654, 10500237308, 21000474616]

約数ペア:

[(1, 21000474616), (2, 10500237308), (4, 5250118654), (8, 2625059327), (11, 1909134056), (22, 954567028), (44, 477283514), (88, 238641757)]