21941276

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41243}}^1$

素因数の和:41273

約数の個数: 24

約数和(自身を含む): 46193280

約数和(自身を除く): 24252004

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 41243, 82486, 164972, 288701, 577402, 783617, 1154804, 1567234, 3134468, 5485319, 10970638, 21941276]

約数ペア:

[(1, 21941276), (2, 10970638), (4, 5485319), (7, 3134468), (14, 1567234), (19, 1154804), (28, 783617), (38, 577402), (76, 288701), (133, 164972), (266, 82486), (532, 41243)]