21938036

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{379}}^1\times {\mathrm{499}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 39900000

約数和(自身を除く): 17961964

約数列:

[1, 2, 4, 29, 58, 116, 379, 499, 758, 998, 1516, 1996, 10991, 14471, 21982, 28942, 43964, 57884, 189121, 378242, 756484, 5484509, 10969018, 21938036]

約数ペア:

[(1, 21938036), (2, 10969018), (4, 5484509), (29, 756484), (58, 378242), (116, 189121), (379, 57884), (499, 43964), (758, 28942), (998, 21982), (1516, 14471), (1996, 10991)]