21741244

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40867}}^1$

素因数の和:40897

約数の個数: 24

約数和(自身を含む): 45772160

約数和(自身を除く): 24030916

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 40867, 81734, 163468, 286069, 572138, 776473, 1144276, 1552946, 3105892, 5435311, 10870622, 21741244]

約数ペア:

[(1, 21741244), (2, 10870622), (4, 5435311), (7, 3105892), (14, 1552946), (19, 1144276), (28, 776473), (38, 572138), (76, 286069), (133, 163468), (266, 81734), (532, 40867)]