21167983010

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{28997237}}^1$

素因数の和:28997317

約数の個数: 16

約数和(自身を含む): 38624321016

約数和(自身を除く): 17456338006

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 28997237, 57994474, 144986185, 289972370, 2116798301, 4233596602, 10583991505, 21167983010]

約数ペア:

[(1, 21167983010), (2, 10583991505), (5, 4233596602), (10, 2116798301), (73, 289972370), (146, 144986185), (365, 57994474), (730, 28997237)]