21254534

素因数分解:

$2^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{2971}}^1$

素因数の和:3060

約数の個数: 24

約数和(自身を含む): 37607688

約数和(自身を除く): 16353154

約数列:

[1, 2, 7, 14, 49, 73, 98, 146, 511, 1022, 2971, 3577, 5942, 7154, 20797, 41594, 145579, 216883, 291158, 433766, 1518181, 3036362, 10627267, 21254534]

約数ペア:

[(1, 21254534), (2, 10627267), (7, 3036362), (14, 1518181), (49, 433766), (73, 291158), (98, 216883), (146, 145579), (511, 41594), (1022, 20797), (2971, 7154), (3577, 5942)]