21455065

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1367}}^1$

素因数の和:1488

約数の個数: 16

約数和(自身を含む): 26725248

約数和(自身を除く): 5270183

約数列:

[1, 5, 43, 73, 215, 365, 1367, 3139, 6835, 15695, 58781, 99791, 293905, 498955, 4291013, 21455065]

約数ペア:

[(1, 21455065), (5, 4291013), (43, 498955), (73, 293905), (215, 99791), (365, 58781), (1367, 15695), (3139, 6835)]