21116465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3499}}^1$

素因数の和:3592

約数の個数: 16

約数和(自身を含む): 27216000

約数和(自身を除く): 6099535

約数列:

[1, 5, 17, 71, 85, 355, 1207, 3499, 6035, 17495, 59483, 248429, 297415, 1242145, 4223293, 21116465]

約数ペア:

[(1, 21116465), (5, 4223293), (17, 1242145), (71, 297415), (85, 248429), (355, 59483), (1207, 17495), (3499, 6035)]