21754810942

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1\times {\mathrm{1399}}^1$

素因数の和:2128

約数の個数: 32

約数和(自身を含む): 33264000000

約数和(自身を除く): 11509189058

約数列:

[1, 2, 89, 178, 199, 398, 439, 878, 1399, 2798, 17711, 35422, 39071, 78142, 87361, 124511, 174722, 249022, 278401, 556802, 614161, 1228322, 7775129, 15550258, 24777689, 49555378, 54660329, 109320658, 122218039, 244436078, 10877405471, 21754810942]

約数ペア:

[(1, 21754810942), (2, 10877405471), (89, 244436078), (178, 122218039), (199, 109320658), (398, 54660329), (439, 49555378), (878, 24777689), (1399, 15550258), (2798, 7775129), (17711, 1228322), (35422, 614161), (39071, 556802), (78142, 278401), (87361, 249022), (124511, 174722)]