21156064

素因数分解:

$2^5\times {\mathrm{157}}^1\times {\mathrm{4211}}^1$

素因数の和:4378

約数の個数: 24

約数和(自身を含む): 41926248

約数和(自身を除く): 20770184

約数列:

[1, 2, 4, 8, 16, 32, 157, 314, 628, 1256, 2512, 4211, 5024, 8422, 16844, 33688, 67376, 134752, 661127, 1322254, 2644508, 5289016, 10578032, 21156064]

約数ペア:

[(1, 21156064), (2, 10578032), (4, 5289016), (8, 2644508), (16, 1322254), (32, 661127), (157, 134752), (314, 67376), (628, 33688), (1256, 16844), (2512, 8422), (4211, 5024)]