21082781072

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{881}}^1\times {\mathrm{48247}}^1$

素因数の和:49167

約数の個数: 40

約数和(自身を含む): 42214298112

約数和(自身を除く): 21131517040

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 881, 1762, 3524, 7048, 14096, 27311, 48247, 54622, 96494, 109244, 192988, 218488, 385976, 436976, 771952, 1495657, 2991314, 5982628, 11965256, 23930512, 42505607, 85011214, 170022428, 340044856, 680089712, 1317673817, 2635347634, 5270695268, 10541390536, 21082781072]

約数ペア:

[(1, 21082781072), (2, 10541390536), (4, 5270695268), (8, 2635347634), (16, 1317673817), (31, 680089712), (62, 340044856), (124, 170022428), (248, 85011214), (496, 42505607), (881, 23930512), (1762, 11965256), (3524, 5982628), (7048, 2991314), (14096, 1495657), (27311, 771952), (48247, 436976), (54622, 385976), (96494, 218488), (109244, 192988)]