21277010

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73369}}^1$

素因数の和:73405

約数の個数: 16

約数和(自身を含む): 39619800

約数和(自身を除く): 18342790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 73369, 146738, 366845, 733690, 2127701, 4255402, 10638505, 21277010]

約数ペア:

[(1, 21277010), (2, 10638505), (5, 4255402), (10, 2127701), (29, 733690), (58, 366845), (145, 146738), (290, 73369)]