21226089

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{439}}^1$

素因数の和:740

約数の個数: 16

約数和(自身を含む): 28892160

約数和(自身を除く): 7666071

約数列:

[1, 3, 71, 213, 227, 439, 681, 1317, 16117, 31169, 48351, 93507, 99653, 298959, 7075363, 21226089]

約数ペア:

[(1, 21226089), (3, 7075363), (71, 298959), (213, 99653), (227, 93507), (439, 48351), (681, 31169), (1317, 16117)]