21730035

素因数分解:

$3^1\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{1381}}^1$

素因数の和:2438

約数の個数: 16

約数和(自身を含む): 34826400

約数和(自身を除く): 13096365

約数列:

[1, 3, 5, 15, 1049, 1381, 3147, 4143, 5245, 6905, 15735, 20715, 1448669, 4346007, 7243345, 21730035]

約数ペア:

[(1, 21730035), (3, 7243345), (5, 4346007), (15, 1448669), (1049, 20715), (1381, 15735), (3147, 6905), (4143, 5245)]