21330228

素因数分解:

$2^2\times 3^1\times {\mathrm{947}}^1\times {\mathrm{1877}}^1$

素因数の和:2831

約数の個数: 24

約数和(自身を含む): 49849632

約数和(自身を除く): 28519404

約数列:

[1, 2, 3, 4, 6, 12, 947, 1877, 1894, 2841, 3754, 3788, 5631, 5682, 7508, 11262, 11364, 22524, 1777519, 3555038, 5332557, 7110076, 10665114, 21330228]

約数ペア:

[(1, 21330228), (2, 10665114), (3, 7110076), (4, 5332557), (6, 3555038), (12, 1777519), (947, 22524), (1877, 11364), (1894, 11262), (2841, 7508), (3754, 5682), (3788, 5631)]