21004668

素因数分解:

$2^2\times 3^2\times {\mathrm{271}}^1\times {\mathrm{2153}}^1$

素因数の和:2434

約数の個数: 36

約数和(自身を含む): 53315808

約数和(自身を除く): 32311140

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 271, 542, 813, 1084, 1626, 2153, 2439, 3252, 4306, 4878, 6459, 8612, 9756, 12918, 19377, 25836, 38754, 77508, 583463, 1166926, 1750389, 2333852, 3500778, 5251167, 7001556, 10502334, 21004668]

約数ペア:

[(1, 21004668), (2, 10502334), (3, 7001556), (4, 5251167), (6, 3500778), (9, 2333852), (12, 1750389), (18, 1166926), (36, 583463), (271, 77508), (542, 38754), (813, 25836), (1084, 19377), (1626, 12918), (2153, 9756), (2439, 8612), (3252, 6459), (4306, 4878)]