21613806

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{29287}}^1$

素因数の和:29336

約数の個数: 24

約数和(自身を含む): 47973744

約数和(自身を除く): 26359938

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 29287, 58574, 87861, 175722, 263583, 527166, 1200767, 2401534, 3602301, 7204602, 10806903, 21613806]

約数ペア:

[(1, 21613806), (2, 10806903), (3, 7204602), (6, 3602301), (9, 2401534), (18, 1200767), (41, 527166), (82, 263583), (123, 175722), (246, 87861), (369, 58574), (738, 29287)]