21349594

素因数分解:

$2^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{1663}}^1$

素因数の和:1810

約数の個数: 24

約数和(自身を含む): 37559808

約数和(自身を除く): 16210214

約数列:

[1, 2, 7, 14, 49, 98, 131, 262, 917, 1663, 1834, 3326, 6419, 11641, 12838, 23282, 81487, 162974, 217853, 435706, 1524971, 3049942, 10674797, 21349594]

約数ペア:

[(1, 21349594), (2, 10674797), (7, 3049942), (14, 1524971), (49, 435706), (98, 217853), (131, 162974), (262, 81487), (917, 23282), (1663, 12838), (1834, 11641), (3326, 6419)]