21202096

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{30817}}^1$

素因数の和:30868

約数の個数: 20

約数和(自身を含む): 42035752

約数和(自身を除く): 20833656

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 30817, 61634, 123268, 246536, 493072, 1325131, 2650262, 5300524, 10601048, 21202096]

約数ペア:

[(1, 21202096), (2, 10601048), (4, 5300524), (8, 2650262), (16, 1325131), (43, 493072), (86, 246536), (172, 123268), (344, 61634), (688, 30817)]