21756476

素因数分解:

$2^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{2531}}^1$

素因数の和:2849

約数の個数: 24

約数和(自身を含む): 43671936

約数和(自身を除く): 21915460

約数列:

[1, 2, 4, 7, 14, 28, 307, 614, 1228, 2149, 2531, 4298, 5062, 8596, 10124, 17717, 35434, 70868, 777017, 1554034, 3108068, 5439119, 10878238, 21756476]

約数ペア:

[(1, 21756476), (2, 10878238), (4, 5439119), (7, 3108068), (14, 1554034), (28, 777017), (307, 70868), (614, 35434), (1228, 17717), (2149, 10124), (2531, 8596), (4298, 5062)]