21111104

素因数分解:

$2^6\times 7^1\times {\mathrm{47123}}^1$

素因数の和:47142

約数の個数: 28

約数和(自身を含む): 47877984

約数和(自身を除く): 26766880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 47123, 94246, 188492, 329861, 376984, 659722, 753968, 1319444, 1507936, 2638888, 3015872, 5277776, 10555552, 21111104]

約数ペア:

[(1, 21111104), (2, 10555552), (4, 5277776), (7, 3015872), (8, 2638888), (14, 1507936), (16, 1319444), (28, 753968), (32, 659722), (56, 376984), (64, 329861), (112, 188492), (224, 94246), (448, 47123)]