21474752

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:565

約数の個数: 56

約数和(自身を含む): 46853856

約数和(自身を除く): 25379104

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 64, 104, 106, 208, 212, 416, 424, 487, 689, 832, 848, 974, 1378, 1696, 1948, 2756, 3392, 3896, 5512, 6331, 7792, 11024, 12662, 15584, 22048, 25324, 25811, 31168, 44096, 50648, 51622, 101296, 103244, 202592, 206488, 335543, 405184, 412976, 671086, 825952, 1342172, 1651904, 2684344, 5368688, 10737376, 21474752]

約数ペア:

[(1, 21474752), (2, 10737376), (4, 5368688), (8, 2684344), (13, 1651904), (16, 1342172), (26, 825952), (32, 671086), (52, 412976), (53, 405184), (64, 335543), (104, 206488), (106, 202592), (208, 103244), (212, 101296), (416, 51622), (424, 50648), (487, 44096), (689, 31168), (832, 25811), (848, 25324), (974, 22048), (1378, 15584), (1696, 12662), (1948, 11024), (2756, 7792), (3392, 6331), (3896, 5512)]