21274232

素因数分解:

$2^3\times 7^3\times {\mathrm{7753}}^1$

素因数の和:7780

約数の個数: 32

約数和(自身を含む): 46524000

約数和(自身を除く): 25249768

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 7753, 15506, 31012, 54271, 62024, 108542, 217084, 379897, 434168, 759794, 1519588, 2659279, 3039176, 5318558, 10637116, 21274232]

約数ペア:

[(1, 21274232), (2, 10637116), (4, 5318558), (7, 3039176), (8, 2659279), (14, 1519588), (28, 759794), (49, 434168), (56, 379897), (98, 217084), (196, 108542), (343, 62024), (392, 54271), (686, 31012), (1372, 15506), (2744, 7753)]