21559258

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 37992960

約数和(自身を除く): 16433702

約数列:

[1, 2, 7, 14, 79, 101, 158, 193, 202, 386, 553, 707, 1106, 1351, 1414, 2702, 7979, 15247, 15958, 19493, 30494, 38986, 55853, 106729, 111706, 136451, 213458, 272902, 1539947, 3079894, 10779629, 21559258]

約数ペア:

[(1, 21559258), (2, 10779629), (7, 3079894), (14, 1539947), (79, 272902), (101, 213458), (158, 136451), (193, 111706), (202, 106729), (386, 55853), (553, 38986), (707, 30494), (1106, 19493), (1351, 15958), (1414, 15247), (2702, 7979)]