21206690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{92203}}^1$

素因数の和:92233

約数の個数: 16

約数和(自身を含む): 39832128

約数和(自身を除く): 18625438

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 92203, 184406, 461015, 922030, 2120669, 4241338, 10603345, 21206690]

約数ペア:

[(1, 21206690), (2, 10603345), (5, 4241338), (10, 2120669), (23, 922030), (46, 461015), (115, 184406), (230, 92203)]