21293172

素因数分解:

$2^2\times 3^3\times {\mathrm{197159}}^1$

素因数の和:197172

約数の個数: 24

約数和(自身を含む): 55204800

約数和(自身を除く): 33911628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 197159, 394318, 591477, 788636, 1182954, 1774431, 2365908, 3548862, 5323293, 7097724, 10646586, 21293172]

約数ペア:

[(1, 21293172), (2, 10646586), (3, 7097724), (4, 5323293), (6, 3548862), (9, 2365908), (12, 1774431), (18, 1182954), (27, 788636), (36, 591477), (54, 394318), (108, 197159)]