21568626

素因数分解:

$2^1\times 3^3\times {\mathrm{131}}^1\times {\mathrm{3049}}^1$

素因数の和:3191

約数の個数: 32

約数和(自身を含む): 48312000

約数和(自身を除く): 26743374

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 131, 262, 393, 786, 1179, 2358, 3049, 3537, 6098, 7074, 9147, 18294, 27441, 54882, 82323, 164646, 399419, 798838, 1198257, 2396514, 3594771, 7189542, 10784313, 21568626]

約数ペア:

[(1, 21568626), (2, 10784313), (3, 7189542), (6, 3594771), (9, 2396514), (18, 1198257), (27, 798838), (54, 399419), (131, 164646), (262, 82323), (393, 54882), (786, 27441), (1179, 18294), (2358, 9147), (3049, 7074), (3537, 6098)]