21538677

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{14563}}^1$

素因数の和:14612

約数の個数: 16

約数和(自身を含む): 31458240

約数和(自身を除く): 9919563

約数列:

[1, 3, 17, 29, 51, 87, 493, 1479, 14563, 43689, 247571, 422327, 742713, 1266981, 7179559, 21538677]

約数ペア:

[(1, 21538677), (3, 7179559), (17, 1266981), (29, 742713), (51, 422327), (87, 247571), (493, 43689), (1479, 14563)]