21061196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21317}}^1$

素因数の和:21353

約数の個数: 24

約数和(自身を含む): 41783280

約数和(自身を除く): 20722084

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21317, 42634, 85268, 277121, 405023, 554242, 810046, 1108484, 1620092, 5265299, 10530598, 21061196]

約数ペア:

[(1, 21061196), (2, 10530598), (4, 5265299), (13, 1620092), (19, 1108484), (26, 810046), (38, 554242), (52, 405023), (76, 277121), (247, 85268), (494, 42634), (988, 21317)]