21103258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 35642880

約数和(自身を除く): 14539622

約数列:

[1, 2, 11, 22, 67, 103, 134, 139, 206, 278, 737, 1133, 1474, 1529, 2266, 3058, 6901, 9313, 13802, 14317, 18626, 28634, 75911, 102443, 151822, 157487, 204886, 314974, 959239, 1918478, 10551629, 21103258]

約数ペア:

[(1, 21103258), (2, 10551629), (11, 1918478), (22, 959239), (67, 314974), (103, 204886), (134, 157487), (139, 151822), (206, 102443), (278, 75911), (737, 28634), (1133, 18626), (1474, 14317), (1529, 13802), (2266, 9313), (3058, 6901)]