21483836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11909}}^1$

素因数の和:11965

約数の個数: 24

約数和(自身を含む): 42018480

約数和(自身を除く): 20534644

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11909, 23818, 47636, 130999, 261998, 488269, 523996, 976538, 1953076, 5370959, 10741918, 21483836]

約数ペア:

[(1, 21483836), (2, 10741918), (4, 5370959), (11, 1953076), (22, 976538), (41, 523996), (44, 488269), (82, 261998), (164, 130999), (451, 47636), (902, 23818), (1804, 11909)]