21378730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{92951}}^1$

素因数の和:92981

約数の個数: 16

約数和(自身を含む): 40155264

約数和(自身を除く): 18776534

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 92951, 185902, 464755, 929510, 2137873, 4275746, 10689365, 21378730]

約数ペア:

[(1, 21378730), (2, 10689365), (5, 4275746), (10, 2137873), (23, 929510), (46, 464755), (115, 185902), (230, 92951)]