21328045123

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{523}}^1\times {\mathrm{75659}}^1$

素因数の和:76207

約数の個数: 24

約数和(自身を含む): 27117754560

約数和(自身を除く): 5789709437

約数列:

[1, 7, 11, 49, 77, 523, 539, 3661, 5753, 25627, 40271, 75659, 281897, 529613, 832249, 3707291, 5825743, 39569657, 40780201, 276987599, 435266227, 1938913193, 3046863589, 21328045123]

約数ペア:

[(1, 21328045123), (7, 3046863589), (11, 1938913193), (49, 435266227), (77, 276987599), (523, 40780201), (539, 39569657), (3661, 5825743), (5753, 3707291), (25627, 832249), (40271, 529613), (75659, 281897)]