21000391762

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{358601}}^1$

素因数の和:358746

約数の個数: 32

約数和(自身を含む): 37179855360

約数和(自身を除く): 16179463598

約数列:

[1, 2, 7, 14, 47, 89, 94, 178, 329, 623, 658, 1246, 4183, 8366, 29281, 58562, 358601, 717202, 2510207, 5020414, 16854247, 31915489, 33708494, 63830978, 117979729, 223408423, 235959458, 446816846, 1500027983, 3000055966, 10500195881, 21000391762]

約数ペア:

[(1, 21000391762), (2, 10500195881), (7, 3000055966), (14, 1500027983), (47, 446816846), (89, 235959458), (94, 223408423), (178, 117979729), (329, 63830978), (623, 33708494), (658, 31915489), (1246, 16854247), (4183, 5020414), (8366, 2510207), (29281, 717202), (58562, 358601)]