21801384

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{27527}}^1$

素因数の和:27550

約数の個数: 48

約数和(自身を含む): 64415520

約数和(自身を除く): 42614136

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792, 27527, 55054, 82581, 110108, 165162, 220216, 247743, 302797, 330324, 495486, 605594, 660648, 908391, 990972, 1211188, 1816782, 1981944, 2422376, 2725173, 3633564, 5450346, 7267128, 10900692, 21801384]

約数ペア:

[(1, 21801384), (2, 10900692), (3, 7267128), (4, 5450346), (6, 3633564), (8, 2725173), (9, 2422376), (11, 1981944), (12, 1816782), (18, 1211188), (22, 990972), (24, 908391), (33, 660648), (36, 605594), (44, 495486), (66, 330324), (72, 302797), (88, 247743), (99, 220216), (132, 165162), (198, 110108), (264, 82581), (396, 55054), (792, 27527)]