21149611509

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{1086769}}^1$

素因数の和:1087284

約数の個数: 16

約数和(自身を含む): 30429560000

約数和(自身を除く): 9279948491

約数列:

[1, 3, 13, 39, 499, 1497, 6487, 19461, 1086769, 3260307, 14127997, 42383991, 542297731, 1626893193, 7049870503, 21149611509]

約数ペア:

[(1, 21149611509), (3, 7049870503), (13, 1626893193), (39, 542297731), (499, 42383991), (1497, 14127997), (6487, 3260307), (19461, 1086769)]