21295112

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{24421}}^1$

素因数の和:24536

約数の個数: 16

約数和(自身を含む): 40296300

約数和(自身を除く): 19001188

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 24421, 48842, 97684, 195368, 2661889, 5323778, 10647556, 21295112]

約数ペア:

[(1, 21295112), (2, 10647556), (4, 5323778), (8, 2661889), (109, 195368), (218, 97684), (436, 48842), (872, 24421)]