21348006625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{2999}}^1$

素因数の和:3223

約数の個数: 64

約数和(自身を含む): 30191616000

約数和(自身を除く): 8843609375

約数列:

[1, 5, 11, 25, 31, 55, 125, 155, 167, 275, 341, 775, 835, 1375, 1705, 1837, 2999, 3875, 4175, 5177, 8525, 9185, 14995, 20875, 25885, 32989, 42625, 45925, 56947, 74975, 92969, 129425, 164945, 229625, 284735, 374875, 464845, 500833, 647125, 824725, 1022659, 1423675, 2324225, 2504165, 4123625, 5113295, 5509163, 7118375, 11621125, 12520825, 15525823, 25566475, 27545815, 62604125, 77629115, 127832375, 137729075, 170784053, 388145575, 688645375, 853920265, 1940727875, 4269601325, 21348006625]

約数ペア:

[(1, 21348006625), (5, 4269601325), (11, 1940727875), (25, 853920265), (31, 688645375), (55, 388145575), (125, 170784053), (155, 137729075), (167, 127832375), (275, 77629115), (341, 62604125), (775, 27545815), (835, 25566475), (1375, 15525823), (1705, 12520825), (1837, 11621125), (2999, 7118375), (3875, 5509163), (4175, 5113295), (5177, 4123625), (8525, 2504165), (9185, 2324225), (14995, 1423675), (20875, 1022659), (25885, 824725), (32989, 647125), (42625, 500833), (45925, 464845), (56947, 374875), (74975, 284735), (92969, 229625), (129425, 164945)]