21342944

素因数分解:

$2^5\times 7^1\times {\mathrm{151}}^1\times {\mathrm{631}}^1$

素因数の和:799

約数の個数: 48

約数和(自身を含む): 48416256

約数和(自身を除く): 27073312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 151, 224, 302, 604, 631, 1057, 1208, 1262, 2114, 2416, 2524, 4228, 4417, 4832, 5048, 8456, 8834, 10096, 16912, 17668, 20192, 33824, 35336, 70672, 95281, 141344, 190562, 381124, 666967, 762248, 1333934, 1524496, 2667868, 3048992, 5335736, 10671472, 21342944]

約数ペア:

[(1, 21342944), (2, 10671472), (4, 5335736), (7, 3048992), (8, 2667868), (14, 1524496), (16, 1333934), (28, 762248), (32, 666967), (56, 381124), (112, 190562), (151, 141344), (224, 95281), (302, 70672), (604, 35336), (631, 33824), (1057, 20192), (1208, 17668), (1262, 16912), (2114, 10096), (2416, 8834), (2524, 8456), (4228, 5048), (4417, 4832)]