21186128

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{57571}}^1$

素因数の和:57602

約数の個数: 20

約数和(自身を含む): 42833568

約数和(自身を除く): 21647440

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 57571, 115142, 230284, 460568, 921136, 1324133, 2648266, 5296532, 10593064, 21186128]

約数ペア:

[(1, 21186128), (2, 10593064), (4, 5296532), (8, 2648266), (16, 1324133), (23, 921136), (46, 460568), (92, 230284), (184, 115142), (368, 57571)]