21721792

素因数分解:

$2^6\times {\mathrm{97}}^1\times {\mathrm{3499}}^1$

素因数の和:3608

約数の個数: 28

約数和(自身を含む): 43561000

約数和(自身を除く): 21839208

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 194, 388, 776, 1552, 3104, 3499, 6208, 6998, 13996, 27992, 55984, 111968, 223936, 339403, 678806, 1357612, 2715224, 5430448, 10860896, 21721792]

約数ペア:

[(1, 21721792), (2, 10860896), (4, 5430448), (8, 2715224), (16, 1357612), (32, 678806), (64, 339403), (97, 223936), (194, 111968), (388, 55984), (776, 27992), (1552, 13996), (3104, 6998), (3499, 6208)]