21225095

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3517}}^1$

素因数の和:3610

約数の個数: 16

約数和(自身を含む): 27355968

約数和(自身を除く): 6130873

約数列:

[1, 5, 17, 71, 85, 355, 1207, 3517, 6035, 17585, 59789, 249707, 298945, 1248535, 4245019, 21225095]

約数ペア:

[(1, 21225095), (5, 4245019), (17, 1248535), (71, 298945), (85, 249707), (355, 59789), (1207, 17585), (3517, 6035)]