21849338

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{21379}}^1$

素因数の和:21461

約数の個数: 16

約数和(自身を含む): 37970880

約数和(自身を除く): 16121542

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 21379, 42758, 149653, 299306, 1560667, 3121334, 10924669, 21849338]

約数ペア:

[(1, 21849338), (2, 10924669), (7, 3121334), (14, 1560667), (73, 299306), (146, 149653), (511, 42758), (1022, 21379)]