21811284

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{55079}}^1$

素因数の和:55100

約数の個数: 36

約数和(自身を含む): 60147360

約数和(自身を除く): 38336076

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 55079, 110158, 165237, 220316, 330474, 495711, 605869, 660948, 991422, 1211738, 1817607, 1982844, 2423476, 3635214, 5452821, 7270428, 10905642, 21811284]

約数ペア:

[(1, 21811284), (2, 10905642), (3, 7270428), (4, 5452821), (6, 3635214), (9, 2423476), (11, 1982844), (12, 1817607), (18, 1211738), (22, 991422), (33, 660948), (36, 605869), (44, 495711), (66, 330474), (99, 220316), (132, 165237), (198, 110158), (396, 55079)]