21891268

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41149}}^1$

素因数の和:41179

約数の個数: 24

約数和(自身を含む): 46088000

約数和(自身を除く): 24196732

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 41149, 82298, 164596, 288043, 576086, 781831, 1152172, 1563662, 3127324, 5472817, 10945634, 21891268]

約数ペア:

[(1, 21891268), (2, 10945634), (4, 5472817), (7, 3127324), (14, 1563662), (19, 1152172), (28, 781831), (38, 576086), (76, 288043), (133, 164596), (266, 82298), (532, 41149)]