21187188

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53503}}^1$

素因数の和:53524

約数の個数: 36

約数和(自身を含む): 58426368

約数和(自身を除く): 37239180

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 53503, 107006, 160509, 214012, 321018, 481527, 588533, 642036, 963054, 1177066, 1765599, 1926108, 2354132, 3531198, 5296797, 7062396, 10593594, 21187188]

約数ペア:

[(1, 21187188), (2, 10593594), (3, 7062396), (4, 5296797), (6, 3531198), (9, 2354132), (11, 1926108), (12, 1765599), (18, 1177066), (22, 963054), (33, 642036), (36, 588533), (44, 481527), (66, 321018), (99, 214012), (132, 160509), (198, 107006), (396, 53503)]