21560281176

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{128335007}}^1$

素因数の和:128335023

約数の個数: 32

約数和(自身を含む): 61600803840

約数和(自身を除く): 40040522664

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 128335007, 256670014, 385005021, 513340028, 770010042, 898345049, 1026680056, 1540020084, 1796690098, 2695035147, 3080040168, 3593380196, 5390070294, 7186760392, 10780140588, 21560281176]

約数ペア:

[(1, 21560281176), (2, 10780140588), (3, 7186760392), (4, 5390070294), (6, 3593380196), (7, 3080040168), (8, 2695035147), (12, 1796690098), (14, 1540020084), (21, 1026680056), (24, 898345049), (28, 770010042), (42, 513340028), (56, 385005021), (84, 256670014), (168, 128335007)]