21908474

素因数分解:

$2^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{4129}}^1$

素因数の和:4517

約数の個数: 16

約数和(自身を含む): 37665600

約数和(自身を除く): 15757126

約数列:

[1, 2, 7, 14, 379, 758, 2653, 4129, 5306, 8258, 28903, 57806, 1564891, 3129782, 10954237, 21908474]

約数ペア:

[(1, 21908474), (2, 10954237), (7, 3129782), (14, 1564891), (379, 57806), (758, 28903), (2653, 8258), (4129, 5306)]