21000835436

素因数分解:

$2^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{859}}^1\times {\mathrm{3623}}^1$

素因数の和:4734

約数の個数: 48

約数和(自身を含む): 42236705280

約数和(自身を除く): 21235869844

約数列:

[1, 2, 4, 7, 14, 28, 241, 482, 859, 964, 1687, 1718, 3374, 3436, 3623, 6013, 6748, 7246, 12026, 14492, 24052, 25361, 50722, 101444, 207019, 414038, 828076, 873143, 1449133, 1746286, 2898266, 3112157, 3492572, 5796532, 6112001, 6224314, 12224002, 12448628, 21785099, 24448004, 43570198, 87140396, 750029837, 1500059674, 3000119348, 5250208859, 10500417718, 21000835436]

約数ペア:

[(1, 21000835436), (2, 10500417718), (4, 5250208859), (7, 3000119348), (14, 1500059674), (28, 750029837), (241, 87140396), (482, 43570198), (859, 24448004), (964, 21785099), (1687, 12448628), (1718, 12224002), (3374, 6224314), (3436, 6112001), (3623, 5796532), (6013, 3492572), (6748, 3112157), (7246, 2898266), (12026, 1746286), (14492, 1449133), (24052, 873143), (25361, 828076), (50722, 414038), (101444, 207019)]