21883419

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 12330981

約数列:

[1, 3, 9, 23, 27, 69, 131, 207, 269, 393, 621, 807, 1179, 2421, 3013, 3537, 6187, 7263, 9039, 18561, 27117, 35239, 55683, 81351, 105717, 167049, 317151, 810497, 951453, 2431491, 7294473, 21883419]

約数ペア:

[(1, 21883419), (3, 7294473), (9, 2431491), (23, 951453), (27, 810497), (69, 317151), (131, 167049), (207, 105717), (269, 81351), (393, 55683), (621, 35239), (807, 27117), (1179, 18561), (2421, 9039), (3013, 7263), (3537, 6187)]