21143488

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{10657}}^1$

素因数の和:10700

約数の個数: 28

約数和(自身を含む): 43314112

約数和(自身を除く): 22170624

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 10657, 21314, 42628, 85256, 170512, 330367, 341024, 660734, 682048, 1321468, 2642936, 5285872, 10571744, 21143488]

約数ペア:

[(1, 21143488), (2, 10571744), (4, 5285872), (8, 2642936), (16, 1321468), (31, 682048), (32, 660734), (62, 341024), (64, 330367), (124, 170512), (248, 85256), (496, 42628), (992, 21314), (1984, 10657)]