21179512

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{91291}}^1$

素因数の和:91326

約数の個数: 16

約数和(自身を含む): 41081400

約数和(自身を除く): 19901888

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 91291, 182582, 365164, 730328, 2647439, 5294878, 10589756, 21179512]

約数ペア:

[(1, 21179512), (2, 10589756), (4, 5294878), (8, 2647439), (29, 730328), (58, 365164), (116, 182582), (232, 91291)]