21068152

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12973}}^1$

素因数の和:13015

約数の個数: 32

約数和(自身を含む): 46706400

約数和(自身を除く): 25638248

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 12973, 25946, 51892, 90811, 103784, 181622, 363244, 376217, 726488, 752434, 1504868, 2633519, 3009736, 5267038, 10534076, 21068152]

約数ペア:

[(1, 21068152), (2, 10534076), (4, 5267038), (7, 3009736), (8, 2633519), (14, 1504868), (28, 752434), (29, 726488), (56, 376217), (58, 363244), (116, 181622), (203, 103784), (232, 90811), (406, 51892), (812, 25946), (1624, 12973)]