21694713

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{6451}}^1$

素因数の和:6532

約数の個数: 16

約数和(自身を含む): 30969600

約数和(自身を除く): 9274887

約数列:

[1, 3, 19, 57, 59, 177, 1121, 3363, 6451, 19353, 122569, 367707, 380609, 1141827, 7231571, 21694713]

約数ペア:

[(1, 21694713), (3, 7231571), (19, 1141827), (57, 380609), (59, 367707), (177, 122569), (1121, 19353), (3363, 6451)]