21075348

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6781}}^1$

素因数の和:6832

約数の個数: 48

約数和(自身を含む): 57728384

約数和(自身を除く): 36653036

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 6781, 13562, 20343, 27124, 40686, 47467, 81372, 94934, 142401, 189868, 250897, 284802, 501794, 569604, 752691, 1003588, 1505382, 1756279, 3010764, 3512558, 5268837, 7025116, 10537674, 21075348]

約数ペア:

[(1, 21075348), (2, 10537674), (3, 7025116), (4, 5268837), (6, 3512558), (7, 3010764), (12, 1756279), (14, 1505382), (21, 1003588), (28, 752691), (37, 569604), (42, 501794), (74, 284802), (84, 250897), (111, 189868), (148, 142401), (222, 94934), (259, 81372), (444, 47467), (518, 40686), (777, 27124), (1036, 20343), (1554, 13562), (3108, 6781)]