21009304

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{503}}^1$

素因数の和:759

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 20359016

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 227, 454, 503, 908, 1006, 1816, 2012, 4024, 5221, 10442, 11569, 20884, 23138, 41768, 46276, 92552, 114181, 228362, 456724, 913448, 2626163, 5252326, 10504652, 21009304]

約数ペア:

[(1, 21009304), (2, 10504652), (4, 5252326), (8, 2626163), (23, 913448), (46, 456724), (92, 228362), (184, 114181), (227, 92552), (454, 46276), (503, 41768), (908, 23138), (1006, 20884), (1816, 11569), (2012, 10442), (4024, 5221)]