21039522049

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{92003}}^1$

素因数の和:92389

約数の個数: 24

約数和(自身を含む): 26430909120

約数和(自身を除く): 5391387071

約数列:

[1, 7, 13, 49, 91, 359, 637, 2513, 4667, 17591, 32669, 92003, 228683, 644021, 1196039, 4508147, 8372273, 33029077, 58605911, 231203539, 429378001, 1618424773, 3005646007, 21039522049]

約数ペア:

[(1, 21039522049), (7, 3005646007), (13, 1618424773), (49, 429378001), (91, 231203539), (359, 58605911), (637, 33029077), (2513, 8372273), (4667, 4508147), (17591, 1196039), (32669, 644021), (92003, 228683)]