21227135

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{6091}}^1$

素因数の和:6154

約数の個数: 16

約数和(自身を含む): 27633312

約数和(自身を除く): 6406177

約数列:

[1, 5, 17, 41, 85, 205, 697, 3485, 6091, 30455, 103547, 249731, 517735, 1248655, 4245427, 21227135]

約数ペア:

[(1, 21227135), (5, 4245427), (17, 1248655), (41, 517735), (85, 249731), (205, 103547), (697, 30455), (3485, 6091)]