21451696

素因数分解:

$2^4\times 7^1\times {\mathrm{191533}}^1$

素因数の和:191548

約数の個数: 20

約数和(自身を含む): 47500432

約数和(自身を除く): 26048736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191533, 383066, 766132, 1340731, 1532264, 2681462, 3064528, 5362924, 10725848, 21451696]

約数ペア:

[(1, 21451696), (2, 10725848), (4, 5362924), (7, 3064528), (8, 2681462), (14, 1532264), (16, 1340731), (28, 766132), (56, 383066), (112, 191533)]