21477544

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7873}}^1$

素因数の和:7921

約数の個数: 32

約数和(自身を含む): 45354240

約数和(自身を除く): 23876696

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 7873, 15746, 31492, 62984, 86603, 173206, 244063, 346412, 488126, 692824, 976252, 1952504, 2684693, 5369386, 10738772, 21477544]

約数ペア:

[(1, 21477544), (2, 10738772), (4, 5369386), (8, 2684693), (11, 1952504), (22, 976252), (31, 692824), (44, 488126), (62, 346412), (88, 244063), (124, 173206), (248, 86603), (341, 62984), (682, 31492), (1364, 15746), (2728, 7873)]