21152646

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{27329}}^1$

素因数の和:27380

約数の個数: 24

約数和(自身を含む): 46898280

約数和(自身を除く): 25745634

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 27329, 54658, 81987, 163974, 245961, 491922, 1175147, 2350294, 3525441, 7050882, 10576323, 21152646]

約数ペア:

[(1, 21152646), (2, 10576323), (3, 7050882), (6, 3525441), (9, 2350294), (18, 1175147), (43, 491922), (86, 245961), (129, 163974), (258, 81987), (387, 54658), (774, 27329)]