21225176

素因数分解:

$2^3\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1409}}^1$

素因数の和:1691

約数の個数: 32

約数和(自身を含む): 45684000

約数和(自身を除く): 24458824

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 269, 538, 1076, 1409, 1883, 2152, 2818, 3766, 5636, 7532, 9863, 11272, 15064, 19726, 39452, 78904, 379021, 758042, 1516084, 2653147, 3032168, 5306294, 10612588, 21225176]

約数ペア:

[(1, 21225176), (2, 10612588), (4, 5306294), (7, 3032168), (8, 2653147), (14, 1516084), (28, 758042), (56, 379021), (269, 78904), (538, 39452), (1076, 19726), (1409, 15064), (1883, 11272), (2152, 9863), (2818, 7532), (3766, 5636)]