21052736

素因数分解:

$2^6\times {\mathrm{211}}^1\times {\mathrm{1559}}^1$

素因数の和:1782

約数の個数: 28

約数和(自身を含む): 42001440

約数和(自身を除く): 20948704

約数列:

[1, 2, 4, 8, 16, 32, 64, 211, 422, 844, 1559, 1688, 3118, 3376, 6236, 6752, 12472, 13504, 24944, 49888, 99776, 328949, 657898, 1315796, 2631592, 5263184, 10526368, 21052736]

約数ペア:

[(1, 21052736), (2, 10526368), (4, 5263184), (8, 2631592), (16, 1315796), (32, 657898), (64, 328949), (211, 99776), (422, 49888), (844, 24944), (1559, 13504), (1688, 12472), (3118, 6752), (3376, 6236)]