21401882

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1\times {\mathrm{563}}^1$

素因数の和:877

約数の個数: 16

約数和(自身を含む): 32689440

約数和(自身を除く): 11287558

約数列:

[1, 2, 83, 166, 229, 458, 563, 1126, 19007, 38014, 46729, 93458, 128927, 257854, 10700941, 21401882]

約数ペア:

[(1, 21401882), (2, 10700941), (83, 257854), (166, 128927), (229, 93458), (458, 46729), (563, 38014), (1126, 19007)]