21609957656

素因数分解:

$2^3\times 7^3\times {\mathrm{7875349}}^1$

素因数の和:7875376

約数の個数: 32

約数和(自身を含む): 47252100000

約数和(自身を除く): 25642142344

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 7875349, 15750698, 31501396, 55127443, 63002792, 110254886, 220509772, 385892101, 441019544, 771784202, 1543568404, 2701244707, 3087136808, 5402489414, 10804978828, 21609957656]

約数ペア:

[(1, 21609957656), (2, 10804978828), (4, 5402489414), (7, 3087136808), (8, 2701244707), (14, 1543568404), (28, 771784202), (49, 441019544), (56, 385892101), (98, 220509772), (196, 110254886), (343, 63002792), (392, 55127443), (686, 31501396), (1372, 15750698), (2744, 7875349)]