21352856

素因数分解:

$2^3\times 7^1\times {\mathrm{381301}}^1$

素因数の和:381314

約数の個数: 16

約数和(自身を含む): 45756240

約数和(自身を除く): 24403384

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 381301, 762602, 1525204, 2669107, 3050408, 5338214, 10676428, 21352856]

約数ペア:

[(1, 21352856), (2, 10676428), (4, 5338214), (7, 3050408), (8, 2669107), (14, 1525204), (28, 762602), (56, 381301)]