21479248

素因数分解:

$2^4\times 7^2\times {\mathrm{27397}}^1$

素因数の和:27419

約数の個数: 30

約数和(自身を含む): 48412266

約数和(自身を除く): 26933018

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 27397, 54794, 109588, 191779, 219176, 383558, 438352, 767116, 1342453, 1534232, 2684906, 3068464, 5369812, 10739624, 21479248]

約数ペア:

[(1, 21479248), (2, 10739624), (4, 5369812), (7, 3068464), (8, 2684906), (14, 1534232), (16, 1342453), (28, 767116), (49, 438352), (56, 383558), (98, 219176), (112, 191779), (196, 109588), (392, 54794), (784, 27397)]