21000751144

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{5413}}^1\times {\mathrm{5449}}^1$

素因数の和:10957

約数の個数: 32

約数和(自身を含む): 39833505000

約数和(自身を除く): 18832753856

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 5413, 5449, 10826, 10898, 21652, 21796, 43304, 43592, 481757, 484961, 963514, 969922, 1927028, 1939844, 3854056, 3879688, 29495437, 58990874, 117981748, 235963496, 2625093893, 5250187786, 10500375572, 21000751144]

約数ペア:

[(1, 21000751144), (2, 10500375572), (4, 5250187786), (8, 2625093893), (89, 235963496), (178, 117981748), (356, 58990874), (712, 29495437), (5413, 3879688), (5449, 3854056), (10826, 1939844), (10898, 1927028), (21652, 969922), (21796, 963514), (43304, 484961), (43592, 481757)]