21234325

素因数分解:

$5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1709}}^1$

素因数の和:1797

約数の個数: 24

約数和(自身を含む): 30533760

約数和(自身を除く): 9299435

約数列:

[1, 5, 7, 25, 35, 71, 175, 355, 497, 1709, 1775, 2485, 8545, 11963, 12425, 42725, 59815, 121339, 299075, 606695, 849373, 3033475, 4246865, 21234325]

約数ペア:

[(1, 21234325), (5, 4246865), (7, 3033475), (25, 849373), (35, 606695), (71, 299075), (175, 121339), (355, 59815), (497, 42725), (1709, 12425), (1775, 11963), (2485, 8545)]