21682052

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{7237}}^1$

素因数の和:7355

約数の個数: 24

約数和(自身を含む): 43775424

約数和(自身を除く): 22093372

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 7237, 14474, 28948, 50659, 101318, 202636, 774359, 1548718, 3097436, 5420513, 10841026, 21682052]

約数ペア:

[(1, 21682052), (2, 10841026), (4, 5420513), (7, 3097436), (14, 1548718), (28, 774359), (107, 202636), (214, 101318), (428, 50659), (749, 28948), (1498, 14474), (2996, 7237)]