21407344

素因数分解:

$2^4\times 7^1\times {\mathrm{191137}}^1$

素因数の和:191152

約数の個数: 20

約数和(自身を含む): 47402224

約数和(自身を除く): 25994880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191137, 382274, 764548, 1337959, 1529096, 2675918, 3058192, 5351836, 10703672, 21407344]

約数ペア:

[(1, 21407344), (2, 10703672), (4, 5351836), (7, 3058192), (8, 2675918), (14, 1529096), (16, 1337959), (28, 764548), (56, 382274), (112, 191137)]