21432496

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{19993}}^1$

素因数の和:20068

約数の個数: 20

約数和(自身を含む): 42147352

約数和(自身を除く): 20714856

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 19993, 39986, 79972, 159944, 319888, 1339531, 2679062, 5358124, 10716248, 21432496]

約数ペア:

[(1, 21432496), (2, 10716248), (4, 5358124), (8, 2679062), (16, 1339531), (67, 319888), (134, 159944), (268, 79972), (536, 39986), (1072, 19993)]