21000391635

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4844381}}^1$

素因数の和:4844423

約数の個数: 24

約数和(自身を含む): 35693406576

約数和(自身を除く): 14693014941

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 4844381, 14533143, 24221905, 72665715, 82354477, 247063431, 411772385, 1235317155, 1400026109, 4200078327, 7000130545, 21000391635]

約数ペア:

[(1, 21000391635), (3, 7000130545), (5, 4200078327), (15, 1400026109), (17, 1235317155), (51, 411772385), (85, 247063431), (255, 82354477), (289, 72665715), (867, 24221905), (1445, 14533143), (4335, 4844381)]