21945615

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{17627}}^1$

素因数の和:17718

約数の個数: 16

約数和(自身を含む): 35538048

約数和(自身を除く): 13592433

約数列:

[1, 3, 5, 15, 83, 249, 415, 1245, 17627, 52881, 88135, 264405, 1463041, 4389123, 7315205, 21945615]

約数ペア:

[(1, 21945615), (3, 7315205), (5, 4389123), (15, 1463041), (83, 264405), (249, 88135), (415, 52881), (1245, 17627)]