21496156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{8009}}^1$

素因数の和:8085

約数の個数: 24

約数和(自身を含む): 41716080

約数和(自身を除く): 20219924

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 8009, 16018, 32036, 88099, 176198, 352396, 488549, 977098, 1954196, 5374039, 10748078, 21496156]

約数ペア:

[(1, 21496156), (2, 10748078), (4, 5374039), (11, 1954196), (22, 977098), (44, 488549), (61, 352396), (122, 176198), (244, 88099), (671, 32036), (1342, 16018), (2684, 8009)]