21568287

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{2239}}^1$

素因数の和:2287

約数の個数: 24

約数和(自身を含む): 32793600

約数和(自身を除く): 11225313

約数列:

[1, 3, 13, 19, 39, 57, 169, 247, 507, 741, 2239, 3211, 6717, 9633, 29107, 42541, 87321, 127623, 378391, 553033, 1135173, 1659099, 7189429, 21568287]

約数ペア:

[(1, 21568287), (3, 7189429), (13, 1659099), (19, 1135173), (39, 553033), (57, 378391), (169, 127623), (247, 87321), (507, 42541), (741, 29107), (2239, 9633), (3211, 6717)]