21094784

素因数分解:

$2^7\times {\mathrm{97}}^1\times {\mathrm{1699}}^1$

素因数の和:1810

約数の個数: 32

約数和(自身を含む): 42483000

約数和(自身を除く): 21388216

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 388, 776, 1552, 1699, 3104, 3398, 6208, 6796, 12416, 13592, 27184, 54368, 108736, 164803, 217472, 329606, 659212, 1318424, 2636848, 5273696, 10547392, 21094784]

約数ペア:

[(1, 21094784), (2, 10547392), (4, 5273696), (8, 2636848), (16, 1318424), (32, 659212), (64, 329606), (97, 217472), (128, 164803), (194, 108736), (388, 54368), (776, 27184), (1552, 13592), (1699, 12416), (3104, 6796), (3398, 6208)]