21581846

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1279}}^1$

素因数の和:1364

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 17125354

約数列:

[1, 2, 11, 13, 22, 26, 59, 118, 143, 286, 649, 767, 1279, 1298, 1534, 2558, 8437, 14069, 16627, 16874, 28138, 33254, 75461, 150922, 182897, 365794, 830071, 980993, 1660142, 1961986, 10790923, 21581846]

約数ペア:

[(1, 21581846), (2, 10790923), (11, 1961986), (13, 1660142), (22, 980993), (26, 830071), (59, 365794), (118, 182897), (143, 150922), (286, 75461), (649, 33254), (767, 28138), (1279, 16874), (1298, 16627), (1534, 14069), (2558, 8437)]