21827457

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:593

約数の個数: 24

約数和(自身を含む): 32596200

約数和(自身を除く): 10768743

約数列:

[1, 3, 9, 41, 123, 149, 369, 397, 447, 1191, 1341, 3573, 6109, 16277, 18327, 48831, 54981, 59153, 146493, 177459, 532377, 2425273, 7275819, 21827457]

約数ペア:

[(1, 21827457), (3, 7275819), (9, 2425273), (41, 532377), (123, 177459), (149, 146493), (369, 59153), (397, 54981), (447, 48831), (1191, 18327), (1341, 16277), (3573, 6109)]