21489897

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{50093}}^1$

素因数の和:50120

約数の個数: 16

約数和(自身を含む): 33663168

約数和(自身を除く): 12173271

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 50093, 150279, 551023, 651209, 1653069, 1953627, 7163299, 21489897]

約数ペア:

[(1, 21489897), (3, 7163299), (11, 1953627), (13, 1653069), (33, 651209), (39, 551023), (143, 150279), (429, 50093)]