21266464

素因数分解:

$2^5\times {\mathrm{107}}^1\times {\mathrm{6211}}^1$

素因数の和:6328

約数の個数: 24

約数和(自身を含む): 42266448

約数和(自身を除く): 20999984

約数列:

[1, 2, 4, 8, 16, 32, 107, 214, 428, 856, 1712, 3424, 6211, 12422, 24844, 49688, 99376, 198752, 664577, 1329154, 2658308, 5316616, 10633232, 21266464]

約数ペア:

[(1, 21266464), (2, 10633232), (4, 5316616), (8, 2658308), (16, 1329154), (32, 664577), (107, 198752), (214, 99376), (428, 49688), (856, 24844), (1712, 12422), (3424, 6211)]