21130145751

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{49254419}}^1$

素因数の和:49254446

約数の個数: 16

約数和(自身を含む): 33098970240

約数和(自身を除く): 11968824489

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 49254419, 147763257, 541798609, 640307447, 1625395827, 1920922341, 7043381917, 21130145751]

約数ペア:

[(1, 21130145751), (3, 7043381917), (11, 1920922341), (13, 1625395827), (33, 640307447), (39, 541798609), (143, 147763257), (429, 49254419)]