21152852

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39761}}^1$

素因数の和:39791

約数の個数: 24

約数和(自身を含む): 44533440

約数和(自身を除く): 23380588

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39761, 79522, 159044, 278327, 556654, 755459, 1113308, 1510918, 3021836, 5288213, 10576426, 21152852]

約数ペア:

[(1, 21152852), (2, 10576426), (4, 5288213), (7, 3021836), (14, 1510918), (19, 1113308), (28, 755459), (38, 556654), (76, 278327), (133, 159044), (266, 79522), (532, 39761)]