21077896

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12979}}^1$

素因数の和:13021

約数の個数: 32

約数和(自身を含む): 46728000

約数和(自身を除く): 25650104

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 12979, 25958, 51916, 90853, 103832, 181706, 363412, 376391, 726824, 752782, 1505564, 2634737, 3011128, 5269474, 10538948, 21077896]

約数ペア:

[(1, 21077896), (2, 10538948), (4, 5269474), (7, 3011128), (8, 2634737), (14, 1505564), (28, 752782), (29, 726824), (56, 376391), (58, 363412), (116, 181706), (203, 103832), (232, 90853), (406, 51916), (812, 25958), (1624, 12979)]