21388864

素因数分解:

$2^6\times 7^1\times {\mathrm{47743}}^1$

素因数の和:47762

約数の個数: 28

約数和(自身を含む): 48507904

約数和(自身を除く): 27119040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 47743, 95486, 190972, 334201, 381944, 668402, 763888, 1336804, 1527776, 2673608, 3055552, 5347216, 10694432, 21388864]

約数ペア:

[(1, 21388864), (2, 10694432), (4, 5347216), (7, 3055552), (8, 2673608), (14, 1527776), (16, 1336804), (28, 763888), (32, 668402), (56, 381944), (64, 334201), (112, 190972), (224, 95486), (448, 47743)]