21726616

素因数分解:

$2^3\times {\mathrm{653}}^1\times {\mathrm{4159}}^1$

素因数の和:4818

約数の個数: 16

約数和(自身を含む): 40809600

約数和(自身を除く): 19082984

約数列:

[1, 2, 4, 8, 653, 1306, 2612, 4159, 5224, 8318, 16636, 33272, 2715827, 5431654, 10863308, 21726616]

約数ペア:

[(1, 21726616), (2, 10863308), (4, 5431654), (8, 2715827), (653, 33272), (1306, 16636), (2612, 8318), (4159, 5224)]