21216304

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{57653}}^1$

素因数の和:57684

約数の個数: 20

約数和(自身を含む): 42894576

約数和(自身を除く): 21678272

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 57653, 115306, 230612, 461224, 922448, 1326019, 2652038, 5304076, 10608152, 21216304]

約数ペア:

[(1, 21216304), (2, 10608152), (4, 5304076), (8, 2652038), (16, 1326019), (23, 922448), (46, 461224), (92, 230612), (184, 115306), (368, 57653)]