21495316

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{2473}}^1$

素因数の和:2571

約数の個数: 24

約数和(自身を含む): 39277224

約数和(自身を除く): 17781908

約数列:

[1, 2, 4, 41, 53, 82, 106, 164, 212, 2173, 2473, 4346, 4946, 8692, 9892, 101393, 131069, 202786, 262138, 405572, 524276, 5373829, 10747658, 21495316]

約数ペア:

[(1, 21495316), (2, 10747658), (4, 5373829), (41, 524276), (53, 405572), (82, 262138), (106, 202786), (164, 131069), (212, 101393), (2173, 9892), (2473, 8692), (4346, 4946)]