21573804972

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{2543}}^1\times {\mathrm{13339}}^1$

素因数の和:15942

約数の個数: 48

約数和(自身を含む): 51312683520

約数和(自身を除く): 29738878548

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636, 2543, 5086, 7629, 10172, 13339, 15258, 26678, 30516, 40017, 53356, 80034, 134779, 160068, 269558, 404337, 539116, 706967, 808674, 1413934, 1617348, 2120901, 2827868, 4241802, 8483604, 33921077, 67842154, 101763231, 135684308, 203526462, 407052924, 1797817081, 3595634162, 5393451243, 7191268324, 10786902486, 21573804972]

約数ペア:

[(1, 21573804972), (2, 10786902486), (3, 7191268324), (4, 5393451243), (6, 3595634162), (12, 1797817081), (53, 407052924), (106, 203526462), (159, 135684308), (212, 101763231), (318, 67842154), (636, 33921077), (2543, 8483604), (5086, 4241802), (7629, 2827868), (10172, 2120901), (13339, 1617348), (15258, 1413934), (26678, 808674), (30516, 706967), (40017, 539116), (53356, 404337), (80034, 269558), (134779, 160068)]