21508701236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{5039527}}^1$

素因数の和:5039639

約数の個数: 24

約数和(自身を含む): 41485394496

約数和(自身を除く): 19976693260

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1067, 2134, 4268, 5039527, 10079054, 20158108, 55434797, 110869594, 221739188, 488834119, 977668238, 1955336476, 5377175309, 10754350618, 21508701236]

約数ペア:

[(1, 21508701236), (2, 10754350618), (4, 5377175309), (11, 1955336476), (22, 977668238), (44, 488834119), (97, 221739188), (194, 110869594), (388, 55434797), (1067, 20158108), (2134, 10079054), (4268, 5039527)]