21495238

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1\times {\mathrm{463}}^1$

素因数の和:771

約数の個数: 16

約数和(自身を含む): 32739840

約数和(自身を除く): 11244602

約数列:

[1, 2, 139, 167, 278, 334, 463, 926, 23213, 46426, 64357, 77321, 128714, 154642, 10747619, 21495238]

約数ペア:

[(1, 21495238), (2, 10747619), (139, 154642), (167, 128714), (278, 77321), (334, 64357), (463, 46426), (926, 23213)]