21179613

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{11083}}^1$

素因数の和:11113

約数の個数: 24

約数和(自身を含む): 35380128

約数和(自身を除く): 14200515

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 11083, 33249, 77581, 144079, 232743, 432237, 543067, 1008553, 1629201, 3025659, 7059871, 21179613]

約数ペア:

[(1, 21179613), (3, 7059871), (7, 3025659), (13, 1629201), (21, 1008553), (39, 543067), (49, 432237), (91, 232743), (147, 144079), (273, 77581), (637, 33249), (1911, 11083)]