21729702957

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{743}}^1\times {\mathrm{5261}}^1$

素因数の和:6133

約数の個数: 32

約数和(自身を含む): 31006229760

約数和(自身を除く): 9276526803

約数列:

[1, 3, 17, 51, 109, 327, 743, 1853, 2229, 5261, 5559, 12631, 15783, 37893, 80987, 89437, 242961, 268311, 573449, 1376779, 1720347, 3908923, 4130337, 9748633, 11726769, 29245899, 66451691, 199355073, 426072607, 1278217821, 7243234319, 21729702957]

約数ペア:

[(1, 21729702957), (3, 7243234319), (17, 1278217821), (51, 426072607), (109, 199355073), (327, 66451691), (743, 29245899), (1853, 11726769), (2229, 9748633), (5261, 4130337), (5559, 3908923), (12631, 1720347), (15783, 1376779), (37893, 573449), (80987, 268311), (89437, 242961)]