216221418

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{245149}}^1$

素因数の和:245171

約数の個数: 36

約数和(自身を含む): 544968450

約数和(自身を除く): 328747032

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 245149, 490298, 735447, 1470894, 1716043, 2206341, 3432086, 4412682, 5148129, 10296258, 12012301, 15444387, 24024602, 30888774, 36036903, 72073806, 108110709, 216221418]

約数ペア:

[(1, 216221418), (2, 108110709), (3, 72073806), (6, 36036903), (7, 30888774), (9, 24024602), (14, 15444387), (18, 12012301), (21, 10296258), (42, 5148129), (49, 4412682), (63, 3432086), (98, 2206341), (126, 1716043), (147, 1470894), (294, 735447), (441, 490298), (882, 245149)]