21853287

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1039}}^1$

素因数の和:1108

約数の個数: 32

約数和(自身を含む): 34944000

約数和(自身を除く): 13090713

約数列:

[1, 3, 9, 19, 27, 41, 57, 123, 171, 369, 513, 779, 1039, 1107, 2337, 3117, 7011, 9351, 19741, 21033, 28053, 42599, 59223, 127797, 177669, 383391, 533007, 809381, 1150173, 2428143, 7284429, 21853287]

約数ペア:

[(1, 21853287), (3, 7284429), (9, 2428143), (19, 1150173), (27, 809381), (41, 533007), (57, 383391), (123, 177669), (171, 127797), (369, 59223), (513, 42599), (779, 28053), (1039, 21033), (1107, 19741), (2337, 9351), (3117, 7011)]