21759616

素因数分解:

$2^7\times {\mathrm{139}}^1\times {\mathrm{1223}}^1$

素因数の和:1376

約数の個数: 32

約数和(自身を含む): 43696800

約数和(自身を除く): 21937184

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 278, 556, 1112, 1223, 2224, 2446, 4448, 4892, 8896, 9784, 17792, 19568, 39136, 78272, 156544, 169997, 339994, 679988, 1359976, 2719952, 5439904, 10879808, 21759616]

約数ペア:

[(1, 21759616), (2, 10879808), (4, 5439904), (8, 2719952), (16, 1359976), (32, 679988), (64, 339994), (128, 169997), (139, 156544), (278, 78272), (556, 39136), (1112, 19568), (1223, 17792), (2224, 9784), (2446, 8896), (4448, 4892)]