21545776

素因数分解:

$2^4\times 7^1\times {\mathrm{192373}}^1$

素因数の和:192388

約数の個数: 20

約数和(自身を含む): 47708752

約数和(自身を除く): 26162976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 192373, 384746, 769492, 1346611, 1538984, 2693222, 3077968, 5386444, 10772888, 21545776]

約数ペア:

[(1, 21545776), (2, 10772888), (4, 5386444), (7, 3077968), (8, 2693222), (14, 1538984), (16, 1346611), (28, 769492), (56, 384746), (112, 192373)]