21637143

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11503}}^1$

素因数の和:11539

約数の個数: 24

約数和(自身を含む): 35892480

約数和(自身を除く): 14255337

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 11503, 34509, 103527, 126533, 218557, 379599, 655671, 1138797, 1967013, 2404127, 7212381, 21637143]

約数ペア:

[(1, 21637143), (3, 7212381), (9, 2404127), (11, 1967013), (19, 1138797), (33, 655671), (57, 379599), (99, 218557), (171, 126533), (209, 103527), (627, 34509), (1881, 11503)]