21007156676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{12263}}^1\times {\mathrm{38933}}^1$

素因数の和:51211

約数の個数: 24

約数和(自身を含む): 40108872384

約数和(自身を除く): 19101715708

約数列:

[1, 2, 4, 11, 22, 44, 12263, 24526, 38933, 49052, 77866, 134893, 155732, 269786, 428263, 539572, 856526, 1713052, 477435379, 954870758, 1909741516, 5251789169, 10503578338, 21007156676]

約数ペア:

[(1, 21007156676), (2, 10503578338), (4, 5251789169), (11, 1909741516), (22, 954870758), (44, 477435379), (12263, 1713052), (24526, 856526), (38933, 539572), (49052, 428263), (77866, 269786), (134893, 155732)]