21790488

素因数分解:

$2^3\times 3^1\times {\mathrm{83}}^1\times {\mathrm{10939}}^1$

素因数の和:11031

約数の個数: 32

約数和(自身を含む): 55137600

約数和(自身を除く): 33347112

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 83, 166, 249, 332, 498, 664, 996, 1992, 10939, 21878, 32817, 43756, 65634, 87512, 131268, 262536, 907937, 1815874, 2723811, 3631748, 5447622, 7263496, 10895244, 21790488]

約数ペア:

[(1, 21790488), (2, 10895244), (3, 7263496), (4, 5447622), (6, 3631748), (8, 2723811), (12, 1815874), (24, 907937), (83, 262536), (166, 131268), (249, 87512), (332, 65634), (498, 43756), (664, 32817), (996, 21878), (1992, 10939)]