21916749309

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1321}}^1\times {\mathrm{60773}}^1$

素因数の和:62117

約数の個数: 32

約数和(自身を含む): 35993766144

約数和(自身を除く): 14077016835

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1321, 3963, 9247, 17173, 27741, 51519, 60773, 120211, 182319, 360633, 425411, 790049, 1276233, 2370147, 5530343, 16591029, 80281133, 240843399, 561967931, 1043654729, 1685903793, 3130964187, 7305583103, 21916749309]

約数ペア:

[(1, 21916749309), (3, 7305583103), (7, 3130964187), (13, 1685903793), (21, 1043654729), (39, 561967931), (91, 240843399), (273, 80281133), (1321, 16591029), (3963, 5530343), (9247, 2370147), (17173, 1276233), (27741, 790049), (51519, 425411), (60773, 360633), (120211, 182319)]