21067228

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1867}}^1$

素因数の和:1922

約数の個数: 48

約数和(自身を含む): 46864384

約数和(自身を除く): 25797156

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 1867, 2821, 3734, 5642, 7468, 11284, 13069, 24271, 26138, 48542, 52276, 57877, 97084, 115754, 169897, 231508, 339794, 405139, 679588, 752401, 810278, 1504802, 1620556, 3009604, 5266807, 10533614, 21067228]

約数ペア:

[(1, 21067228), (2, 10533614), (4, 5266807), (7, 3009604), (13, 1620556), (14, 1504802), (26, 810278), (28, 752401), (31, 679588), (52, 405139), (62, 339794), (91, 231508), (124, 169897), (182, 115754), (217, 97084), (364, 57877), (403, 52276), (434, 48542), (806, 26138), (868, 24271), (1612, 13069), (1867, 11284), (2821, 7468), (3734, 5642)]